60 Idioms for Costumes

Idioms are fun phrases that mean something different from the literal words inside them. People use them to make talking and writing much more colorful, expressive, and clear. In this lesson, you will learn sixty helpful idioms related to the topic of costumes, dressing up, and disguise.

In this lesson, we’ll look at idioms for costumes that mean changing appearance, wearing outfits, and pretending to be someone else. Let’s get started and explore some of these helpful expressions.

Idioms for Costumes

1. Wolf in sheep’s clothing

Meaning: Someone who wears a friendly costume or disguise to hide bad intentions.

For Example: He seemed nice in his friendly mask, but he turned out to be a wolf in sheep’s clothing. / Be careful who you trust because a wolf in sheep’s clothing can hide behind a sweet costume.

Other Ways to Say: Fake disguise / Hidden trickster

2. Put on a happy face

Meaning: To pretend to be cheerful and happy even when you feel sad inside.

For Example: Even though he scraped his knee, he put on a happy face for the party costume contest. / She wore a clown mask and had to put on a happy face for the performance.

Other Ways to Say: Pretend to smile / Act cheerful

3. Dress to kill

Meaning: Wearing fancy, striking, and wonderful clothes to impress people.

For Example: She wore a sparkling superhero cape and was dressed to kill for the party. / He put on his best formal vampire costume, dressed to kill for the stage.

Other Ways to Say: Dress impressively / Wear striking clothes

4. Sunday best

Meaning: Your cleanest, fanciest, and most formal clothing kept for special days.

For Example: Grandma told us to wear our Sunday best for the family holiday picture. / He put on his Sunday best underneath his superhero cape.

Other Ways to Say: Fancy clothes / Formal wear

5. Birthday suit

Meaning: Being completely naked without any clothes or costumes on.

For Example: The playful puppy ran around the yard in his birthday suit before getting washed. / Babies look adorable when they splash around in their birthday suit.

Other Ways to Say: Completely naked / Without clothes

6. Burn your bridges

Meaning: To completely ruin your past options, similar to discarding old costumes forever.

For Example: He threw away all his old theater outfits, effectively burning his bridges with acting. / Do not throw away your backup costume pieces and risk burning your bridges.

Other Ways to Say: Cut ties / Permanent end

7. Wear your heart on your sleeve

Meaning: To show your true feelings openly without any disguise or mask.

For Example: He did not need a mask because he always wore his heart on his sleeve. / She expressed her joy openly, wearing her heart on her sleeve during the party.

Other Ways to Say: Show true feelings / Openly emotional

8. Fit like a glove

Meaning: When a costume or outfit is the exact right size for you.

For Example: The superhero jumpsuit was custom made and fit like a glove. / My new pirate boots felt comfortable and fit like a glove.

Other Ways to Say: Perfect fit / Snug size

9. Dyed in the wool

Meaning: Having deep, unchanging habits or beliefs, like colored costume fabric.

For Example: He was a dyed in the wool fan of pirate stories and wore a costume daily. / Grandma is a dyed in the wool baker who loves wearing her apron.

Other Ways to Say: Deeply rooted / Unchanging habits

10. Cut from the same cloth

Meaning: Having very similar personalities or styles, as if made from identical costume material.

For Example: My brother and I both love wearing funny hats because we are cut from the same cloth. / Those two artists design similar outfits because they are cut from the same cloth.

Other Ways to Say: Very similar / Alike in style

11. Show your true colors

Meaning: To reveal your real personality after taking off your pretend disguise.

For Example: When the game got competitive, he finally showed his true colors. / She took off her mask and showed her true colors by helping the team.

Other Ways to Say: Reveal yourself / True personality

12. Face the music

Meaning: To accept the consequences of wearing a silly or inappropriate outfit.

For Example: I wore the wrong costume to school, so now I must face the music. / He had to face the music after breaking the rule about dress codes.

Other Ways to Say: Accept consequences / Take responsibility

13. Put on airs

Meaning: To act overly fancy and pretend to be more important than you are.

For Example: She wore a plastic tiara and started to put on airs around her friends. / Do not put on airs just because you have a new costume cape.

Other Ways toSay: Act snobby / Pretend importance

14. Dressed to the nines

Meaning: Wearing extremely fancy, elaborate, and stylish clothes or costumes.

For Example: The actors came to the stage premiere dressed to the nines in velvet capes. / Everyone at the costume ball was dressed to the nines.

Other Ways toSay: Very fancy / Elaborately dressed

15. In costume

Meaning: Wearing a special disguise or outfit for a play or party.

For Example: All the actors stayed in costume backstage during the intermission. / My little brother wanted to sleep in costume after Halloween.

Other Ways toSay: Wearing disguise / Dressed up

16. Out of costume

Meaning: Wearing regular everyday clothes after taking off a disguise.

For Example: Once the play ended, the actors walked outside out of costume. / I felt much more relaxed once I was out of costume.

Other Ways toSay: Regular clothes / Casual wear

17. Costume change

Meaning: Quickly switching into a different outfit during a show.

For Example: The dancer had only two minutes for a fast costume change backstage. / We practiced our quick costume change before the school talent show.

Other Ways toSay: Outfit switch / Fast change

18. Dress rehearsal

Meaning: A final practice session where actors wear their full costumes.

For Example: Our school play group held a thrilling dress rehearsal on Thursday afternoon. / Everyone wore makeup and outfits during the big dress rehearsal.

Other Ways toSay: Final practice / Costume test

19. Plain clothes

Meaning: Ordinary, everyday clothing worn instead of a uniform or costume.

For Example: The detective wore plain clothes while walking through the busy park. / We were allowed to wear plain clothes on casual school picture day.

Other Ways toSay: Casual clothes / Ordinary wear

20. Undercover disguise

Meaning: Wearing a secret outfit to hide your real identity from others.

For Example: The secret agent wore an undercover disguise with dark glasses. / He put on a fake mustache as part of his undercover disguise.

Other Ways toSay: Secret outfit / Hidden identity

21. Masquerade mask

Meaning: A decorative face covering worn at a costume party.

For Example: She tied a glittering silver masquerade mask around her eyes. / Everyone wore a unique masquerade mask to the grand ball.

Other Ways toSay: Party mask / Costume eye-cover

22. Painted face

Meaning: Wearing colorful makeup instead of a physical cloth mask.

For Example: The soccer fan arrived with a painted face showing team colors. / My little sister had a painted face like a happy tiger.

Other Ways toSay: Face paint / Colorful makeup

23. Disguised blessing

Meaning: An awkward costume or situation that turns out to be wonderful.

For Example: Wearing my bulky dinosaur costume felt annoying, but it kept me warm as a disguised blessing. / Getting the funny leftover costume turned out to be a disguised blessing.

Other Ways toSay: Lucky outcome / Hidden good

24. Wear the pants

Meaning: To be the person in charge or making decisions in a group or family.

For Example: Grandma likes to wear the pants when planning family holiday costumes. / He acted like he wore the pants during the club meeting.

Other Ways toSay: Be in charge / Lead the group

25. Feather in your cap

Meaning: A proud addition or decoration on a costume hat representing success.

For Example: Winning the costume contest was a great feather in his cap. / Earning the best design award added another feather in her cap.

Other Ways toSay: Proud badge / Success symbol

26. Painted up

Meaning: Wearing heavy or colorful makeup or costume paint on your face.

For Example: The clowns arrived at the circus all painted up with big smiles. / She got her face painted up like a butterfly for the fair.

Other Ways toSay: Wearing makeup / Face painted

27. Stripped of your disguise

Meaning: Having your fake identity or costume removed by force.

For Example: The sneaky character was quickly stripped of his disguise in the story. / Once the mask came off, he was stripped of his disguise.

Other Ways toSay: Unmasked / Exposed identity

28. Throw on an outfit

Meaning: To quickly put on whatever clothes or costume pieces are nearby.

For Example: I had to throw on an outfit in five minutes before the party started. / He grabbed a cape and rushed to throw on an outfit.

Other Ways toSay: Dress quickly / Grab clothes

29. Dress down

Meaning: To wear casual, simple clothes instead of a fancy costume or uniform.

For Example: Fridays let us dress down in comfortable jeans and t-shirts. / The teacher decided to dress down for the casual field trip.

Other Ways toSay: Wear casual / Dress simply

30. Dress up

Meaning: To put on fun costumes or fancy clothes for a special event.

For Example: We love to dress up as superheroes during rainy afternoon play. / The kids got to dress up in pirate gear for the party.

Other Ways toSay: Wear costumes / Put on fancy clothes

31. Dressed to the teeth

Meaning: Wearing elaborate, fancy costumes from head to toe.

For Example: The knights arrived at the banquet dressed to the teeth in silver armor. / She was dressed to the teeth in glittery fairy wings.

Other Ways toSay: Fully dressed / Elaborate attire

32. In your birthday suit

Meaning: A playful way to say someone has no clothes on at all.

For Example: The little duck splashed in the pond in his birthday suit. / He joked about running around the room in his birthday suit.

Other Ways toSay: Naked / Without a stitch

33. Put on a front

Meaning: To pretend to be someone else or act braver than you feel.

For Example: He put on a front of being fearless while wearing his monster mask. / She put on a front of confidence during the play audition.

Other Ways toSay: Act brave / Pretend identity

34. Costume party

Meaning: A social gathering where everyone wears fun disguises and outfits.

For Example: Our neighbor invited us over for a spooky autumn costume party. / Everyone wore creative superhero capes to the costume party.

Other Ways toSay: Dress-up event / Disguise gathering

35. Make-believe outfit

Meaning: A pretend costume used during imaginative games and stories.

For Example: The cardboard box became part of my make-believe outfit in the yard. / She wore a shiny crown as her royal make-believe outfit.

Other Ways toSay: Pretend costume / Play outfit

36. Cloak and dagger

Meaning: A mystery style involving secret plots, spies, and hidden disguises.

For Example: The mystery story was full of cloak and dagger adventure plots. / We played a secret agent game with a cloak and dagger theme.

Other Ways toSay: Secret spy style / Mysterious plot

37. Phantom disguise

Meaning: A spooky, shadowy outfit designed to look like a ghost.

For Example: He wore a white sheet with eye holes as a simple phantom disguise. / The haunted house actor wore a creepy phantom disguise.

Other Ways toSay: Ghost outfit / Spooky costume

38. Royal robes

Meaning: Fancy, expensive capes and garments worn by kings and queens.

For Example: The actor playing the monarch wore heavy velvet royal robes. / We made paper crowns to match our pretend royal robes.

Other Ways toSay: Kingly garments / Fancy capes

39. Super suit

Meaning: A fictional costume worn by comic book heroes with special powers.

For Example: He zipped up his bright red super suit before running outside to play. / The hero designed a high-tech super suit for the mission.

Other Ways toSay: Hero outfit / Action costume

40. Spooky garb

Meaning: Unusual or frightening clothing worn for scary themes.

For Example: The old trunk in the attic was filled with spooky garb and masks. / We sorted through piles of spooky garb for the holiday play.

Other Ways toSay: Scary clothes / Frightening outfit

41. Fancy dress

Meaning: Another name for a costume party or wearing unique outfits.

For Example: The school hosted a fun fancy dress competition in the gym. / She wore a handmade butterfly costume to the fancy dress event.

Other Ways toSay: Costume event / Dress-up party

42. Disguise kit

Meaning: A box containing fake mustaches, glasses, and hats.

For Example: He opened his spy toy box to find a fun disguise kit. / We used a theatrical disguise kit to change our appearance.

Other Ways toSay: Makeup box / Pretend set

43. Painted mask

Meaning: A hard face cover decorated with colorful painted patterns.

For Example: She wore a gorgeous painted mask made of paper-mache. / The festival dancers wore traditional painted masks on stage.

Other Ways toSay: Decorated mask / Painted face-cover

44. Velvet cape

Meaning: A soft, luxurious fabric outer garment used in many costumes.

For Example: The magician wore a mysterious black velvet cape during his show. / My princess costume included a warm pink velvet cape.

Other Ways toSay: Soft cloak / Fabric wrap

45. Paper crown

Meaning: A simple, homemade hat worn for pretend royalty costumes.

For Example: We colored gold paper crowns for our classroom king and queen outfits. / The birthday child wore a shiny paper crown all afternoon.

Other Ways toSay: Homemade crown / Cardboard hat

46. Pirate patch

Meaning: A black cloth eye cover worn as part of a pirate costume.

For Example: He tied a black pirate patch over one eye for his costume. / Every good pirate captain needs a plastic sword and a pirate patch.

Other Ways toSay: Eye cover / Pirate accessory

47. Wizard hat

Meaning: A tall, pointed hat decorated with stars and moons for magic outfits.

For Example: The young wizard wore a blue pointy hat covered in silver stars. / My costume felt complete once I put on my tall wizard hat.

Other Ways toSay: Pointy hat / Magic headwear

48. Fairy wings

Meaning: Delicate, sparkling pretend wings worn by magical costume characters.

For Example: She fluttered around the garden wearing pink sparkly fairy wings. / The costume shop sold lightweight wire fairy wings.

Other Ways toSay: Magical wings / Sparkly costume wings

49. Superhero cape

Meaning: A piece of cloth tied around the neck for flying hero costumes.

For Example: The red superhero cape blew in the wind as he ran outside. / Tying a towel around his neck worked as a makeshift superhero cape.

Other Ways toSay: Flying cape / Hero cloth

50. Clown shoes

Meaning: Extra large, colorful, and funny shoes worn for silly costumes.

For Example: He tripped slightly while walking in his giant polka dot clown shoes. / The circus performer wore bright yellow clown shoes.

Other Ways toSay: Big funny shoes / Silly footwear

51. Rubber nose

Meaning: A funny red nose accessory worn by clowns and pranksters.

For Example: He squeaked his bright red rubber nose to make the baby laugh. / My clown costume was not complete without a squeaky rubber nose.

Other Ways toSay: Clown nose / Red prop

52. Fake mustache

Meaning: A stick-on hair accessory used to alter your facial appearance.

For Example: He glued a furry fake mustache to his lip for his detective disguise. / The comedy skit required everyone to wear a funny fake mustache.

Other Ways toSay: Stick-on mustache / False facial hair

53. Plastic sword

Meaning: A safe, toy weapon carried with knight or pirate costumes.

For Example: He swung his harmless plastic sword during backyard castle games. / The pirate costume came with a shiny plastic sword and belt.

Other Ways toSay: Toy weapon / Play sword

54. Glitter makeup

Meaning: Sparkly cosmetic powder used to highlight face costumes.

For Example: She brushed sparkling glitter makeup on her cheeks for the fairy costume. / The dance team wore shiny glitter makeup under the stage lights.

Other Ways toSay: Sparkly cosmetics / Shimmer paint

55. Costume jewelry

Meaning: Inexpensive, shiny glass jewelry worn to accent fancy outfits.

For Example: The queen costume looked sparkly with fake gold costume jewelry. / She wore plastic gems and colorful costume jewelry to the party.

Other Ways toSay: Fake gems / Play accessories

56. Detective trench coat

Meaning: A long, beige coat worn by secret investigators in stories.

For Example: He wore a long detective trench coat and a matching fedora hat. / The mystery game required dressing in a classic detective trench coat.

Other Ways toSay: Investigator coat / Long jacket

57. Spooky skeleton bones

Meaning: Painted white bone patterns worn on black shirts for scary costumes.

For Example: My glow in the dark shirt featured spooky skeleton bones for Halloween. / He painted spooky skeleton bones on his sleeves.

Other Ways toSay: Bone print / Skeleton shirt

58. Fuzzy animal ears

Meaning: A headband with attached cat or rabbit ears worn for cute costumes.

For Example: She wore a headband with fuzzy animal ears to match her kitty outfit. / My puppy costume looked adorable with soft fuzzy animal ears.

Other Ways toSay: Animal headband / Costume ears

59. Wooden peg leg

Meaning: A classic pirate costume prop used to imitate a missing limb.

For Example: He hopped around the playroom pretending to walk with a wooden peg leg. / The pirate captain costume included an eye patch and a wooden peg leg.

Other Ways toSay: Pirate prop / Fake leg

60. Magic wand

Meaning: A short wooden stick carried by wizards and fairy godmothers.

For Example: She waved her sparkly star magic wand and pretended to cast a spell. / Every good fairy costume needs a shiny silver magic wand.

Other Ways toSay: Wizard stick / Pretend wand

Exercise to Practice

1. He seemed nice in his friendly mask, but he turned out to be a ________.
2. Even though he scraped his knee, he put on a ________ for the party costume contest.
3. Grandma told us to wear our ________ for the family holiday picture.
4. The superhero jumpsuit was custom made and ________.
5. All the actors stayed in ________ backstage during the intermission.
6. Our school play group held a thrilling ________ on Thursday afternoon.
7. We love to dress ________ as superheroes during rainy afternoon play.
8. The actor playing the monarch wore heavy velvet ________.
9. He zipped up his bright red ________ before running outside to play.
10. The school hosted a fun ________ competition in the gym.
11. She wore a gorgeous ________ made of paper-mache.
12. The magician wore a mysterious black ________ during his show.
13. He tied a black ________ over one eye for his costume.
14. She fluttered around the garden wearing pink sparkly ________.
15. He swung his harmless ________ during backyard castle games.

Answer Key

1. wolf in sheep’s clothing
2. happy face
3. Sunday best
4. fit like a glove
5. costume
6. dress rehearsal
7. up
8. royal robes
9. super suit
10. fancy dress
11. painted mask
12. velvet cape
13. pirate patch
14. fairy wings
15. plastic sword

Conclusion

Learning costume idioms helps make your reading and writing much more colorful, expressive, and fun. By discovering these disguise-themed phrases, you can share your thoughts about acting and dressing up in creative ways with your friends and teachers. Try using a few of these costume idioms in your daily conversations or school stories today. You will see how exciting your words can become when you use fun expressions!