undulate
/ˈʌndjəleɪt/ verb, adjective
Forms undulates undulating undulated
- verb (transitive) To cause to move in a wavelike motion.
- verb (transitive) To cause to resemble a wave.
- verb (intransitive) To move in wavelike motions. “His tongue undulated.”
- verb (intransitive) To appear wavelike.
- adjective Wavy in appearance or form.
- adjective Changing the pitch and volume of one's voice.
- adjective (botany, of a margin) sinuous, winding up and down.
Synonyms
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”).
Borrowed from Late Latin undulātus (“undulated”), see -ate (adjective-forming suffix).
Webster’s 1913
- adjective Same as Undulated.
- verb To cause to move backward and forward, or up and down, in undulations or waves; to cause to vibrate.
- verb To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air.
Etymology [L. undulatus undulated, wavy, a dim. from unda a wave; cf. AS. unnr; perhaps akin to E. water. Cf. Abound, Inundate, Redound, Surround.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “undulate”, CC BY-SA 4.0. Details