Undulate Definition

ŭnjə-lāt, ŭndyə-, -də-

undulated, undulates, undulating

verb

undulated, undulates, undulating

To move in or as in waves; move sinuously.

Webster's New World

To have a wavy form, margin, or surface.

Webster's New World

To cause to move in waves.

Webster's New World

To increase and decrease in volume or pitch.

American Heritage

To give a wavy form, margin, or surface to.

Webster's New World

Synonyms:

adjective

Having a wavy form, margin, or surface; undulating.

Webster's New World

Changing the pitch and volume of one's voice.

Wiktionary

(botany, of a margin) Winding up and down gradually relative to the blade.

Wiktionary

Origin of Undulate

From Late Latin undula small wave diminutive of Latin unda wave wed-¹ in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Late Latin undulātus (“undulated"), from *undula (“small wave"), diminutive of Latin unda (“wave").

From Wiktionary

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