fall in

verb

fell in; fallen in; falling in; falls in

intransitive verb

1
: to sink inward
the roof fell in
2
: to take one's proper place in a military formation
Phrases
fall in with
1
: to concur with
had to fall in with her wishes
2
: to harmonize with
it falls in exactly with my views
3
: to begin associating with
she fell in with a bad crowd

Word History

First Known Use

1719, in the meaning defined at sense 1

Time Traveler
The first known use of fall in was in 1719

Browse Nearby Words

Cite this Entry

“Fall in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fall%20in. Accessed 20 Aug. 2025.

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