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Idioms are fun phrases where the words together mean something totally different from what they say one by one. People use them to make talking and writing more colorful, exciting, and full of life. Today, you are going to learn a bunch of helpful idioms that all have to do with increasing and growing bigger.
In this lesson, we’ll look at idioms for increase that mean growing larger, multiplying, and adding more. Let’s get started and explore some of these helpful expressions.
Idioms for Increase
1. Mushrooming
Meaning: Growing and expanding very rapidly in size or number.
For Example: The pile of autumn leaves in the yard kept mushrooming every day. / Participation in the after-school art club is mushrooming this term.
Other Ways to Say: Growing fast / Expanding quickly
2. Snowball effect
Meaning: A situation where something small starts to grow larger at an accelerating rate.
For Example: Saving a little money each week created a snowball effect for her college fund. / Rumors can have a snowball effect if you repeat them at school.
Other Ways to Say: Growing rapidly / Multiplying fast
3. Multiplying like rabbits
Meaning: Increasing in number very fast and in a short period of time.
For Example: The stuffed animals in her bedroom seemed to be multiplying like rabbits. / Toy blocks on the living room floor were multiplying like rabbits.
Other Ways to Say: Growing fast / Increasing rapidly
4. Skyrocketing
Meaning: Increasing or rising at a very high and sudden speed.
For Example: The number of books read by students was skyrocketing this month. / Popcorn sales at the school fair were skyrocketing by noon.
Other Ways to Say: Soaring high / Rising fast
5. Going through the roof
Meaning: Reaching an extremely high level or increasing dramatically.
For Example: Excitement in the classroom was going through the roof before recess. / The temperature outside felt like it was going through the roof in July.
Other Ways to Say: Reaching peak / Increasing high
6. Gaining momentum
Meaning: Increasing speed and growing stronger as a project progresses.
For Example: Our fundraising campaign started slow, but it is finally gaining momentum. / The bicycle rolled down the hill and kept gaining momentum.
Other Ways to Say: Gathering speed / Growing stronger
7. Piling up
Meaning: Accumulating and increasing in quantity or height over time.
For Example: Unwashed dishes were piling up in the sink after dinner. / Homework assignments started piling up before the weekend.
Other Ways to Say: Accumulating / Increasing
8. Spreading like wildfire
Meaning: Spreading and increasing across a large area or group very quickly.
For Example: The funny joke was spreading like wildfire through the hallways. / News about the class field trip was spreading like wildfire.
Other Ways to Say: Expanding fast / Multiplying quickly
9. Branching out
Meaning: Expanding your interests or activities to include more things.
For Example: She decided to stop just reading and started branching out into writing stories. / The local bakery is branching out by selling cookies too.
Other Ways to Say: Expanding / Growing broader
10. Turning up the heat
Meaning: Increasing intensity, effort, or pressure on a task.
For Example: The soccer team started turning up the heat in the second half of the game. / We need to start turning up the heat if we want to finish this project.
Other Ways to Say: Increasing effort / Ramping up
11. Bumping up
Meaning: Increasing the amount, score, or level of something.
For Example: The teacher decided to bumping up everyone’s grades after the extra credit. / They are bumping up the prize money for the school raffle.
Other Ways to Say: Raising / Increasing
12. Pumping up
Meaning: Increasing energy, volume, or enthusiasm for an event.
For Example: The coach played loud music to help with pumping up the team. / He was pumping up the tires on his bicycle before the ride.
Other Ways to Say: Boosting / Increasing energy
13. Cranking it up
Meaning: Increasing the volume, speed, or intensity of an activity.
For Example: The band started cranking it up during the final song of the concert. / We need to start cranking it up to finish cleaning the yard.
Other Ways to Say: Raising intensity / Increasing speed
14. Pushing the envelope
Meaning: Expanding limits and increasing what is considered possible.
For Example: The young scientist was always pushing the envelope with her experiments. / Designing a robot that walks is pushing the envelope.
Other Ways to Say: Expanding limits / Going further
15. Opening the floodgates
Meaning: Releasing a massive increase of something that was previously held back.
For Example: Answering one question about his vacation opened the floodgates of stories. / Dropping the final rule opened the floodgates of questions.
Other Ways to Say: Unleashing / Releasing a lot
16. Adding fuel to the fire
Meaning: Making a growing problem or situation even bigger and worse.
For Example: Arguing back during a scolding is just adding fuel to the fire. / Spreading rumors is adding fuel to the fire in school arguments.
Other Ways to Say: Worsening / Increasing trouble
17. Stacking up
Meaning: Accumulating and increasing in quantity side by side.
For Example: Clean folded shirts were stacking up neatly in the laundry basket. / Points on our game board kept stacking up all afternoon.
Other Ways to Say: Accumulating / Increasing
18. Mounting up
Meaning: Increasing steadily in amount, worry, or quantity over time.
For Example: Unread library books were mounting up on his desk. / Expenses for the school trip kept mounting up.
Other Ways to Say: Accumulating / Growing
19. Gathering steam
Meaning: Building up speed, power, or enthusiasm for a task.
For Example: The charity bake sale was gathering steam by Saturday morning. / Once we started painting, our creative energy kept gathering steam.
Other Ways to Say: Gaining momentum / Building power
20. Growing by leaps and bounds
Meaning: Increasing very rapidly and successfully in size or skill.
For Example: Her violin skills were growing by leaps and bounds this term. / The puppy was growing by leaps and bounds every month.
Other Ways to Say: Advancing fast / Increasing rapidly
21. Multiplying rapidly
Meaning: Increasing in number at a fast and noticeable rate.
For Example: The paperclips on his desk were multiplying rapidly. / Questions about the science project were multiplying rapidly among students.
Other Ways to Say: Increasing fast / Growing numbers
22. Swelling in numbers
Meaning: Increasing the size of a group by adding more participants.
For Example: The hiking club was swelling in numbers as more friends joined. / Attendance at the library event was swelling in numbers.
Other Ways to Say: Growing crowd / Increasing group
23. Expanding horizons Meaning: Increasing your knowledge and worldview through new experiences.
Meaning: Increasing your knowledge and worldview through new experiences.
For Example: Traveling to historical museums helps kids with expanding horizons. / Reading diverse books is great for expanding horizons.
Other Ways to Say: Growing mind / Increasing knowledge
24. Raising the stakes Meaning: Increasing the importance or risk of a game or situation.
Meaning: Increasing the importance or risk of a game or situation.
For Example: Offering a trophy for the spelling bee was raising the stakes. / Playing for the championship meant raising the stakes.
Other Ways to Say: Increasing risk / Raising value
25. Ramping up Meaning: Increasing the speed, amount, or intensity of production.
Meaning: Increasing the speed, amount, or intensity of production.
For Example: The factory started ramping up production of toy cars for the holidays. / We are ramping up our study time for final exams.
Other Ways to Say: Increasing / Accelerating
26. Stepping it up Meaning: Increasing effort to achieve a better result.
Meaning: Increasing effort to achieve a better result.
For Example: He decided on stepping it up during the second half of the race. / If you want an A, you need to start stepping it up.
Other Ways to Say: Increase effort / Work harder
27. Upping the ante Meaning: Increasing what you put into a project or challenge.
Meaning: Increasing what you put into a project or challenge.
For Example: She was upping the ante by adding more details to her painting. / The team kept upping the ante to win the contest.
Other Ways to Say: Raising the stakes / Increasing effort
28. Amplifying the sound Meaning: Increasing the volume of music or a voice using speakers.
Meaning: Increasing the volume of music or a voice using speakers.
For Example: The DJ was amplifying the sound for the school dance party. / Speak into the microphone so it is amplifying the sound.
Other Ways to Say: Turn up volume / Boost sound
29. Magnifying the issue Meaning: Making a problem seem much bigger than it really is.
Meaning: Making a problem seem much bigger than it really is.
For Example: Don’t worry about small mistakes or you’ll be magnifying the issue. / Overreacting is just magnifying the issue.
Other Ways to Say: Exaggerate / Make bigger
30. Escalating the situation Meaning: Making a disagreement or conflict grow much worse.
Meaning: Making a disagreement or conflict grow much worse.
For Example: Yelling back at each other is only escalating the situation. / Calm down before you start escalating the situation.
Other Ways to Say: Worsen conflict / Increase tension
31. Spreading out Meaning: Increasing the physical space occupied by something.
Meaning: Increasing the physical space occupied by something.
For Example: The artist began spreading out her paints across the large table. / Books were spreading out across the library floor.
Other Ways to Say: Expand / Cover more space
32. Stretching limits Meaning: Increasing the boundaries of what is allowed or possible.
Meaning: Increasing the boundaries of what is allowed or possible.
For Example: Running an extra mile is stretching limits for the track team. / Asking for extra playtime is stretching limits.
Other Ways to Say: Push boundaries / Expand limits
33. Pushing boundaries Meaning: Increasing the scope of what you can achieve.
Meaning: Increasing the scope of what you can achieve.
For Example: The young artist was pushing boundaries with her colorful sculptures. / Science experiments involve pushing boundaries to learn new facts.
Other Ways to Say: Expand horizons / Try new things
34. Breaking records Meaning: Increasing previous high scores to set a new maximum.
Meaning: Increasing previous high scores to set a new maximum.
For Example: The fast runner kept breaking records at every track meet. / Our school recycling drive kept breaking records this year.
Other Ways to Say: Set new highs / Surpass marks
35. Reaching new heights Meaning: Increasing success to an unprecedented level.
Meaning: Increasing success to an unprecedented level.
For Example: With daily practice, her basketball skills kept reaching new heights. / The science club was reaching new heights with their robot design.
Other Ways to Say: Achieve more / Grow higher
36. Scaling up Meaning: Increasing the size, scope, or production of an operation.
Meaning: Increasing the size, scope, or production of an operation.
For Example: The club decided on scaling up their bake sale to feed the whole school. / We are scaling up our model train layout.
Other Ways to Say: Expand / Make larger
37. Broadening the scope Meaning: Increasing the range of topics or items included.
Meaning: Increasing the range of topics or items included.
For Example: The research project involved broadening the scope to include history. / We are broadening the scope of our school newspaper.
Other Ways to Say: Expand range / Increase topics
38. Widening the gap Meaning: Increasing the lead or distance between competitors.
Meaning: Increasing the lead or distance between competitors.
For Example: The fast cyclist kept widening the gap between himself and others. / Scoring two goals was widening the gap in the match.
Other Ways to Say: Increase lead / Pull ahead
39. Deepening involvement Meaning: Increasing your participation and commitment in an activity.
Meaning: Increasing your participation and commitment in an activity.
For Example: She showed deepening involvement in the community garden club. / His deepening involvement in music helped him improve.
Other Ways to Say: Increase participation / Get more involved
40. Strengthening ties Meaning: Increasing the strength of a relationship or connection.
Meaning: Increasing the strength of a relationship or connection.
For Example: Family dinners are great for strengthening ties between relatives. / Working on group projects helps in strengthening ties with classmates.
Other Ways to Say: Improve bonds / Increase closeness
41. Building up Meaning: Increasing strength, size, or quantity gradually over time.
Meaning: Increasing strength, size, or quantity gradually over time.
For Example: Lifting light weights helps with building up your arm strength. / Clouds were building up in the sky before the rain.
Other Ways to Say: Accumulate / Grow
42. Adding on Meaning: Increasing something by attaching extra parts or amounts.
Meaning: Increasing something by attaching extra parts or amounts.
For Example: They are adding on a new room to the school library. / Remember to keep adding on details to your essay.
Other Ways to Say: Append / Include more
43. Boosting numbers Meaning: Increasing the total count of items or people.
Meaning: Increasing the total count of items or people.
For Example: Inviting more friends to the club helps with boosting numbers. / Ticket sales were boosting numbers for the festival.
Other Ways to Say: Increase count / Raise total
44. Multiplying fast Meaning: Growing in quantity at a rapid speed.
Meaning: Growing in quantity at a rapid speed.
For Example: The mistakes on his rough draft were multiplying fast. / Thoughts about the upcoming trip were multiplying fast in her mind.
Other Ways to Say: Increase quickly / Grow rapidly
45. Escalating numbers Meaning: Statistics or counts that keep rising higher.
Meaning: Statistics or counts that keep rising higher.
For Example: The escalating numbers of recycled bottles amazed the teacher. / Escalating numbers of participants joined the fun run.
Other Ways to Say: Rising figures / Increasing counts
46. Soaring high Meaning: Increasing upward movement into the sky or in achievement.
Meaning: Increasing upward movement into the sky or in achievement.
For Example: The colorful kite was soaring high above the park trees. / Her test scores were soaring high after extra study sessions.
Other Ways to Say: Rising up / Increasing greatly
47. Surging ahead Meaning: Increasing speed and moving forward past competitors.
Meaning: Increasing speed and moving forward past competitors.
For Example: The blue team started surging ahead in the relay race. / He kept studying and ended up surging ahead in class rank.
Other Ways to Say: Pulling ahead / Advancing fast
48. Accumulating wealth Meaning: Steadily increasing the amount of money or items you own.
Meaning: Steadily increasing the amount of money or items you own.
For Example: Saving allowance coins is a good way of accumulating wealth. / He enjoyed accumulating wealth in his piggy bank.
Other Ways to Say: Save up / Grow money
49. Multiplying rapidly phrase Meaning: An expression for swift numerical increase.
Meaning: An expression for swift numerical increase.
For Example: The number of practice questions kept multiplying rapidly phrase style. / Ideas for the story were multiplying rapidly phrase style.
Other Ways to Say: Grow fast / Increase quick
50. Piling on chores Meaning: Increasing the amount of work assigned to someone.
Meaning: Increasing the amount of work assigned to someone.
For Example: Mom started piling on chores before we could go outside to play. / Don’t start piling on chores right before bedtime.
Other Ways to Say: Increase work / Add tasks
51. Bulking up Meaning: Increasing body size and muscle through food and exercise.
Meaning: Increasing body size and muscle through food and exercise.
For Example: The football player spent the summer bulking up for the season. / Eating healthy proteins helps with bulking up safely.
Other Ways to Say: Grow bigger / Gain muscle
52. Growing larger Meaning: Increasing in physical dimensions or scale.
Meaning: Increasing in physical dimensions or scale.
For Example: The footprint in the mud seemed to be growing larger in the rain. / The school garden was growing larger with new vegetable beds.
Other Ways to Say: Expand / Increase size
53. Stretching out Meaning: Increasing length or duration of time and space.
Meaning: Increasing length or duration of time and space.
For Example: The cat enjoyed stretching out in the warm patch of sunlight. / Summer vacation days felt like they were stretching out forever.
Other Ways to Say: Lengthen / Extend
54. Lengthening days Meaning: Daily periods of daylight increasing as seasons change.
Meaning: Daily periods of daylight increasing as seasons change.
For Example: Springtime brings lengthening days and warmer weather outside. / We noticed the lengthening days as winter ended.
Other Ways to Say: More daylight / Longer time
55. Increasing intensity Meaning: Making an action or event grow much stronger.
Meaning: Making an action or event grow much stronger.
For Example: The storm brought increasing intensity of wind and rain. / He played the piano with increasing intensity toward the end.
Other Ways to Say: Grow stronger / Raise force
56. Boosting energy Meaning: Increasing vitality and liveliness in your body.
Meaning: Increasing vitality and liveliness in your body.
For Example: Eating a healthy apple is great for boosting energy in the afternoon. / Jumping jacks help with boosting energy before sports.
Other Ways to Say: Raise vitality / Increase power
57. Raising output Meaning: Increasing the total amount of work or items produced.
Meaning: Increasing the total amount of work or items produced.
For Example: The art class focused on raising output of painted canvases. / Writing daily helps with raising output of stories.
Other Ways to Say: Increase production / Make more
58. Accumulating points Meaning: Steadily increasing your score in a game or contest.
Meaning: Steadily increasing your score in a game or contest.
For Example: Correct answers kept accumulating points for our trivia team. / Playing video games involves accumulating points to win.
Other Ways to Say: Gain score / Increase total
59. Gaining ground Meaning: Increasing progress and catching up in a race or project.
Meaning: Increasing progress and catching up in a race or project.
For Example: The runner behind us was slowly gaining ground on the track. / Our science project is gaining ground every afternoon.
Other Ways to Say: Make progress / Catch up
60. Expanding rapidly Meaning: Growing and increasing in size at a fast pace.
Meaning: Growing and increasing in size at a fast pace.
For Example: The town was expanding rapidly with new houses and parks. / Her collection of comic books was expanding rapidly.
Other Ways to Say: Grow fast / Increase quickly
Exercise to Practice
- The pile of autumn leaves in the yard kept ________ every day.
- Saving a little money each week created a ________ effect for her college fund.
- The stuffed animals in her bedroom seemed to be ________ like rabbits.
- The number of books read by students was ________ this month.
- Excitement in the classroom was going through the ________ before recess.
- Our fundraising campaign started slow, but it is finally gaining ________.
- Unwashed dishes were ________ up in the sink after dinner.
- The funny joke was spreading like ________ through the hallways.
- She decided to stop just reading and started ________ out into writing stories.
- The soccer team started turning up the ________ in the second half of the game.
- The teacher decided to bumping ________ everyone’s grades after the extra credit.
- The coach played loud music to help with ________ up the team.
- The band started cranking it ________ during the final song of the concert.
- The young scientist was always pushing the ________ with her experiments.
- Answering one question about his vacation opened the ________ of stories.
Answer Key
- mushrooming
- snowball
- multiplying
- skyrocketing
- roof
- momentum
- piling
- wildfire
- branching
- heat
- up
- pumping
- up
- envelope
- floodgates
Conclusion
Learning idioms about increase helps you describe growth, expanding numbers, and rising trends much better. When you know what these colorful phrases mean, you can use them to make your stories and writing sound super exciting.
Try using a few of these expressions the next time you talk about something getting bigger or growing fast. Practicing them out loud is a great way to remember them and make your communication sound awesome.
