\ ˈkrak-ˌəp How to pronounce crack-up (audio) \

Definition of crack-up

 (Entry 1 of 2)

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

crack up

cracked up; cracking up; cracks up

Definition of crack up (Entry 2 of 2)

transitive verb

1 : praise, tout sense 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

intransitive verb

1 : to damage or destroy a vehicle (as by losing control) cracked up on a curve
2 : to laugh out loud

Synonyms & Antonyms for crack-up

Synonyms: Noun

Synonyms: Verb

Antonyms: Verb

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Examples of crack-up in a Sentence

Verb that sports car isn't all it's cracked up to be the movie is being cracked up as the blockbuster of the summer
Recent Examples on the Web: Verb Tyler Anderson would also crack up at Horton’s meticulous method, back when the Dodgers pitcher was on the coach’s first several teams at Oregon from 2009 to 2011. Jack Harris, Los Angeles Times, 17 July 2022 Kieran Culkin made Succession co-star Jeremy Strong crack up on the Bemelmans Bar steps. Elise Taylor, Vogue, 3 May 2022 So there’s nothing self-conscious about it, just a couple of bored friends making a racket to crack up each other and piss off the world. Rob Sheffield, Rolling Stone, 7 Apr. 2022 Even with a quick resolution, however, much of the crack up is unlikely to be reversed. Josh Zumbrun, WSJ, 10 Mar. 2022 With that, the couple both crack up in a way that only two people who are already in on the joke would. Seth Combs Writer, San Diego Union-Tribune, 13 Feb. 2022 Watching Snoop rolling a joint and attempting not to crack up during a Haddish tale — and at least once exploding in laughter mid-inhale — is tremendous entertainment. Daniel Fienberg, The Hollywood Reporter, 4 Feb. 2022 The houses were so close together that the families would tape happy birthday messages for each other in their facing kitchen windows, and Bill Cullen would crack up the Soloves’ kids by dancing most mornings in their backyard. Washington Post, 25 Jan. 2022 Using rocks, farmers could crack up to 2.5 metric tons of nuts a week to get a decent purity level. Frederick Daso, Forbes, 27 Dec. 2021 See More

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


circa 1926, in the meaning defined at sense 1


1829, in the meaning defined at transitive sense 1

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Time Traveler for crack-up

Time Traveler

The first known use of crack-up was in 1829

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Dictionary Entries Near crack-up



crack up

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Statistics for crack-up

Cite this Entry

“Crack-up.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2022.

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More Definitions for crack-up


\ ˈkrak-ˌəp \

Kids Definition of crack-up

2 : crash entry 2 sense 3, wreck My car received minor damage in the crack-up.

More from Merriam-Webster on crack-up

Nglish: Translation of crack-up for Spanish Speakers


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