fall in
Britishverb
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to collapse; no longer act as a support
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to adopt a military formation, esp as a soldier taking his place in a line
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(of a lease) to expire
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(of land) to come into the owner's possession on the expiry of the lease
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(often foll by with)
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to meet and join
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to agree with or support a person, suggestion, etc
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to make a mistake or come to grief
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to become pregnant
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Take one's place in formation or in the ranks, as in The sergeant ordered the troops to fall in . A related expression is fall into , as in They all fell into their places . [Early 1600s] Also see fall into .
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Sink inward, cave in, as in The snow was so heavy that we feared the roof would fall in . [Early 1700s] Also see under drop in ; the subsequent idioms beginning with fall in ; fall into .
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.
While Buffett remains mentally sharp, people familiar with his health said he has been slowed physically by a fall in June that left him with a broken leg.
From The Wall Street Journal ● Sep. 19, 2026
She smiles through her tears as she says: "Now I've just dared to dream that I might be around to see them fall in love, to get married."
From BBC ● Sep. 16, 2026
The film resurrects the story of sisters Sally and Gillian Owens, modern day witches who face a curse that sees any man they fall in love with doomed to an early death.
From Barron's ● Sep. 13, 2026
Americans never needed to fall in love with tofu to become ravenous consumers of soy.
From Salon ● Sep. 13, 2026
The boy grew to splendid manhood, a great athlete and hunter, despising those who lived in luxurious ease and still more those who were soft enough and silly enough to fall in love.
From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton
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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.