# vacillate

> English word · Verb · IPA /ˈvæ.sə.leɪt/

## Definitions
1. To sway unsteadily from one side to the other; oscillate.
2. To swing indecisively from one course of action or opinion to another.

## Etymology
From Latin vacillātum, supine form of vacillō (“sway, waver”).

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