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Synonyms

fall in

British  

verb

  1. to collapse; no longer act as a support

  2. to adopt a military formation, esp as a soldier taking his place in a line

  3. (of a lease) to expire

  4. (of land) to come into the owner's possession on the expiry of the lease

  5. (often foll by with)

    1. to meet and join

    2. to agree with or support a person, suggestion, etc

  6. to make a mistake or come to grief

  7. to become pregnant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

  1. the order to adopt a military formation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
fall in Idioms  

  1. 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 .

  2. 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.

Fall in year-over-year profits in November of China’s industrial companies with revenue over $2.8 million.

From Barron's • Jan. 3, 2026

Appeared in the October 10, 2025, print edition as 'Porsche Records Fall in Deliveries On China Woes'.

From The Wall Street Journal • Oct. 9, 2025

The Labubu dolls have appeared in several series of "The Monsters", such as "Big into Energy", "Have a Seat", "Exciting Macaron" and "Fall in Wild".

From BBC • Jun. 19, 2025

Joan, as feisty as her mother, proposes that she sing a hit by one of Luther’s discoveries, Nat King Cole: “When I Fall in Love.”

From Los Angeles Times • Oct. 10, 2024

Without a smile he began to bark, "Fall in line! Heads up! First customer—go!"

From "Scream for Ice Cream: Nancy Drew and the Clue Crew, #2" by Carolyn Keene

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.