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

see also:

fall in with

Examples of fall in in a Sentence

Recent Examples on the Web

The sticky asphalt also acts like flypaper, trapping any organism that falls in and providing scientists with evidence of a distant world. — Taylor Nicioli, CNN Money, 5 Aug. 2026

Its stock fell in extended trading after rising during regular trading hours. — Justina Lee, CNBC, 5 Aug. 2026

If anything, the film is more embarrassing than incendiary, and its unexamined message — that privileged, straight people can still fall in love under fascism — is, technically, true. — Alison Foreman, IndieWire, 5 Aug. 2026

Her music really is all about loving, too, with songs projecting the uncomplicated joy of a wide-eyed college graduate who goes to the bar on the weekends and falls in love at first sight. — Brady Brickner-Wood, New Yorker, 5 Aug. 2026

Word History

First Known Use

1719, in the meaning defined at sense 1

Rhymes for fall in

• cauline
• fallen
• paulin
• pollen
• befallen
• crestfallen
• tarpaulin