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.
Singapore's civil aviation authority also said it is postponing a green jet fuel levy which was due to kick in from April 2026, due to the impact of the Iran war.
From BBC
Duong made sure his health coverage had kicked in before getting care.
From Los Angeles Times
In negotiating player benefits, it was important to know that if they kicked in after three years or later, many players wouldn’t receive them.
The reductions kicked in at midnight last night meaning fuel leaving depots from then onwards was subject to the lower excise rates.
From BBC
She says it was "bit of a kick in the teeth" having to relocate from her home town because of housing.
From BBC
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.