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.
The fall in output for July highlights the fragility of a recovery in German industry, with exports also falling in the month for the first time since January.
From The Wall Street Journal ● Sep. 9, 2026
And if so, could we see more of these records fall in the future?
From BBC ● Sep. 9, 2026
"We're not trying to predict who you'll fall in love with, we're trying to understand why some couples remain stable despite life's inevitable shocks while others slowly drift apart."
From Science Daily ● Sep. 7, 2026
The film plays hard to get with its own ideas, frustrating audiences who just want to see Fanning fall in love.
From Los Angeles Times ● Sep. 2, 2026
Like the way people describe their heart racing when they fall in love.
From "Red Flags and Butterflies" by Sheryl Azzam
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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.