# undulate

> English word · Verb · IPA /ˈʌndjəleɪt/

## Definitions
1. To cause to move in a wavelike motion.
2. To cause to resemble a wave.
3. To move in wavelike motions.
4. To appear wavelike.

## Etymology
First attested in 1664; borrowed from New Latin undulātus, the perfect passive participle of undulō (see -ate (verb-forming suffix)), from an unattested *undula (“small wave”), diminutive of Latin unda (“wave”).

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