# microexpression

> English word · Noun · IPA /ˌmaɪkɹəʊ.ɪkˈspɹɛʃən/

## Definitions
1. A fleeting, involuntary facial expression that may reveal private thoughts or emotions.

## Etymology
From micro- + expression.

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