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

Examples of fall in in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Yet immunization rates have fallen in Michigan and across the country in recent years, driving outbreaks. Kristen Jordan Shamus, Freep.com, 7 Aug. 2025 Here’s what the Old Farmer’s Almanac predicts the weather will be like this fall in Arizona. Laura Daniella Sepulveda, AZCentral.com, 7 Aug. 2025 Growing up, Don Hertzfeldt first fell in love with animation while attending screenings at the Palace of Fine Arts in San Francisco. Wilson Chapman, IndieWire, 6 Aug. 2025 Fans first fell in love with the fictional Dillon High School Panthers football team in 2004 when the movie Friday Night Lights premiered. Emily Blackwood, People.com, 5 Aug. 2025 See All Example Sentences for fall in

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 14 Aug. 2025.

Last Updated: - Updated example sentences
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