CRACK UP Definition & Meaning

View synonyms for

crack up

intr to break into pieces
informal.
intr to undergo a physical or mental breakdown
informal.
tr to present or report, esp in glowing terms
it's not all it's cracked up to be
informal.
to laugh or cause to laugh uproariously or uncontrollably

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I cracked up, and it felt like sobbing.

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As for whether AI is actually all it’s cracked up to be, according to its promoters — that reckoning is still to come.

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Later, he kept his construction co-workers cracking up.

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Suddenly aware of her powers, she cracked up.

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The painting, begun in 1503, is everything it’s cracked up to be.

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