CRACK-UPS Synonyms: 36 Similar and Opposite Words

crack-ups

noun

plural of crack-up

as in breakdowns

a mental or nervous collapse a crack-up required him to take a year off from work

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as in collisions

the violent coming together of two bodies into destructive contact two people were injured in a serious crack-up on the interstate

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Example Sentences

Recent Examples of Synonyms for crack-ups

Noun

Chiefs offensive coordinator Eric Bieniemy spent a good chunk of his weekly visit with reporters detailing breakdowns that led to last weekend’s crushing loss at Denver.

— Blair Kerkhoff, Kansas City Star, 5 Nov. 2026
Check out the complete top ten, as well as other regional breakdowns here, courtesy of PropertyShark.

— Staff Report, Hartford Courant, 3 Nov. 2026

Definition of breakdowns

Noun

Both victims were rushed to a nearby hospital, where the boy succumbed to injuries sustained in the collisions.

— Dean Fioresi, CBS News, 8 Nov. 2026
Adding a third component could reveal new quantum behaviors, but three-body collisions can cause atoms to disappear from the system, making experiments difficult to sustain.

— Rupendra Brahambhatt, Interesting Engineering, 8 Nov. 2026

Definition of collisions

Noun

From the very start, the students assigned as guards went on cruel power trips and repeatedly humiliated — if not psychologically tortured — the inmates, to the point that some of the prisoners suffered nervous breakdowns.

— Frank Landymore, Futurism, 29 Oct. 2026
This had resulted in several nervous breakdowns during my first few weeks back home.

— Joe Manganiello, HollywoodReporter, 8 Oct. 2026

Definition of nervous breakdowns

Noun

Train derailments and crashes are common in Egypt, where the railway system has a history of mismanagement and poor maintenance.

— Mohamed Saleh, Los Angeles Times, 8 Nov. 2026
Government researchers then analyze the crash test data, share it with the public and prescribe national standards to improve vehicle safety, all with the mission of saving lives and lowering economic costs from crashes.

— Garance Burke, Chicago Tribune, 8 Nov. 2026

Definition of crashes

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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crack up

crack-ups

crack wise

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“Crack-ups.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/crack-ups. Accessed 11 Nov. 2026.

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Synonyms of crack-ups

noun

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