kick in
Britishverb
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(intr) to start or become activated
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informal (tr) to contribute
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Contribute one's share, as in We'll kick in half if you take care of the rest . [ Colloquial ; c. 1900]
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Also, kick off . Die, as in No one knows when he'll kick in , or He finally kicked off yesterday . [ Slang ; first half of 1900s] Also see kick the bucket .
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Begin to operate, as in Finally the motor kicked in and we could get started . This usage was first recorded in 1908.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This brings you up to your RMDs — so for the five years before those RMDs kick in, from ages 68 to 73, that $1,800 a month equates to withdrawals of $108,000.
From MarketWatch • Apr. 1, 2026
She says it was "bit of a kick in the teeth" having to relocate from her home town because of housing.
From BBC • Mar. 25, 2026
The program singles out a list of industrial facilities for disfavor, setting a low threshold for the permitting requirements to kick in.
From The Wall Street Journal • Mar. 13, 2026
These kick in when they involve an investor from a country that holds more than 40 percent of the related global manufacturing capacity -- an implicit reference to China's dominance in those sectors.
From Barron's • Mar. 4, 2026
It starts to kick in after ten cards, and it’s really smart, because it picks up the problem with the red decks almost immediately.
From "Blink" by Malcolm Gladwell
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.