do in
Britishverb
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to murder or kill
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to exhaust
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Tire out, exhaust, as in Running errands all day did me in . [ Colloquial ; early 1900s] Also see done in .
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Kill, as in Mystery writers are always thinking of new ways to do their characters in . [ Slang ; early 1900s] Also see def. 4.
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Ruin utterly; also cheat or swindle. For example, The five-alarm fire did in the whole block , or His so-called friend really did him in . [First half of 1900s]
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do oneself in . Commit suicide, as in She was always threatening to do herself in . [ Slang ; first half of 1900s]
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.
Darry Smith says the coaches "do in fact exist".
From BBC ● Sep. 8, 2026
And when the weather is good, the best thing to do in Milwaukee may be the most obvious one: get out on the water.
From Salon ● Sep. 8, 2026
So we have no shortage of things we need to do in order to be compassionate toward each other.”
From Los Angeles Times ● Sep. 4, 2026
Are there fun things to do in the area all year long?
From MarketWatch ● Sep. 3, 2026
Something he'd tried but failed to do in the past.
From Nazi Saboteurs by Samantha Seiple
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.
