# fill in

> English word · Verb

## Definitions
1. To fill; to replace material that is absent or has been removed.
2. To inform somebody, especially to supply someone missing or missed information.
3. To substitute for somebody or something.
4. To complete a form or questionnaire with requested information.
5. To beat up; to physically assault.

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