crack-up

noun \ ˈkrak-ˌəp \
|Updated on: 15 Jul 2018

Definition of crack-up

1 : crash, wreck
  • an automobile crack-up
2 a : a mental collapse : nervous breakdown
  • his wife's death brought on his crack-up

First Known Use of crack-up

circa 1926

in the meaning defined at sense 1

See Words from the same year
NEW! Time Traveler

crack up

verb

Definition of crack up

1 : praise, tout 1
  • wasn't all that it was cracked up to be
2 : to damage or destroy (a vehicle) by crashing
  • crack up a car
3 : to cause to laugh out loud
  • that joke really cracks him up
1 : to damage or destroy a vehicle (as by losing control)
  • cracked up on a curve
2 : to laugh out loud

Examples of crack up in a Sentence

  1. that sports car isn't all it's cracked up to be

  2. the movie is being cracked up as the blockbuster of the summer

Recent Examples of crack up from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crack up.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of crack up

1829

in the meaning defined at transitive sense 1

See Words from the same year
NEW! Time Traveler

CRACK-UP Defined for English Language Learners

crack-up

Definition of crack-up for English Language Learners

  • : an accident in which a vehicle is badly damaged


CRACK-UP Defined for Kids

crack-up

noun \ ˈkrak-ˌəp \

Definition of crack-up for Students

1 : breakdown 2
2 : 2crash 3, wreck
  • My car received minor damage in the crack-up.


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very hard to disturb or upset

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