# set of one's jaw

> English word · Noun

## Definitions
1. The manner of one's lower facial expression, especially as suggesting firm resolve, or intensity of thought or feeling.

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