# fall in

> English word · Verb

## Definitions
1. To collapse inwards.
2. Of a soldier, to get into position in a rank.
3. To come to an end; to terminate; to lapse.
4. To become operative.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fall-in