Nearby Words

undulating

[v. uhn-juh-leyt, uhn-dyuh-, -duh-; adj. uhn-juh-lit, -leyt, uhn-dyuh-, -duh-] Origin

un·du·late

[v. uhn-juh-leyt, uhn-dyuh-, -duh-; adj. uhn-juh-lit, -leyt, uhn-dyuh-, -duh-] verb, -lat·ed, -lat·ing, adjective
verb (used without object)
1.
to move with a sinuous or wavelike motion; display a smooth rising-and-falling or side-to-side alternation of movement: The flag undulates in the breeze.
2.
to have a wavy form or surface; bend with successive curves in alternate directions.
3.
(of a sound) to rise and fall in pitch: the wail of a siren undulating in the distance.
verb (used with object)
4.
to cause to move in waves.
5.
to give a wavy form to.

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Undulating is always a great word to know.
So is doohickey. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a gadget; dingus; thingumbob.
adjective
6.
Also, un·du·lat·ed. having a wavelike or rippled form, surface, edge, etc.; wavy.

Origin:
1650–60; < Latin undulātus waved, equivalent to und(a) wave + -ul(a) -ule + -ātus -ate1

un·du·la·tor, noun
non·un·du·late, adjective
non·un·du·lat·ing, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Etymonline
Word Origin & History

undulate
1660s, from undulation. Related: undulated, undulating.
Online Etymology Dictionary, © 2010 Douglas Harper
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