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undulate
[ verb uhn-juh-leyt, uhn-dyuh-, -duh-; adjective uhn-juh-lit, -leyt, uhn-dyuh-, -duh- ]
/ verb ˈʌn dʒəˌleɪt, ˈʌn dyə-, -də-; adjective ˈʌn dʒə lɪt, -ˌleɪt, ˈʌn dyə-, -də- /
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verb (used without object), un·du·lat·ed, un·du·lat·ing.
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.
to have a wavy form or surface; bend with successive curves in alternate directions.
(of a sound) to rise and fall in pitch: the wail of a siren undulating in the distance.
verb (used with object), un·du·lat·ed, un·du·lat·ing.
to cause to move in waves.
to give a wavy form to.
adjective
Also un·du·lat·ed . having a wavelike or rippled form, surface, edge, etc.; wavy.
VIDEO FOR UNDULATE
What Do "Undulate" And Flag Day Have In Common?
Waves undulate, flags undulate ... and in this video both of those meanings work together to create the perfect image. Watch our favorite Word of the Day illustrator bring the word to life.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
Origin of undulate
OTHER WORDS FROM undulate
un·du·la·tor, nounnon·un·du·late, adjectiveWords nearby undulate
Undset, und so weiter, undue, undulant, undulant fever, undulate, undulating, undulating membrane, undulating pulse, undulation, undulatory
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use undulate in a sentence
British Dictionary definitions for undulate
undulate
/ (ˈʌndjʊˌleɪt) /
verb
to move or cause to move in waves or as if in waves
to have or provide with a wavy form or appearance
adjective (ˈʌndjʊlɪt, -ˌleɪt) undulated
having a wavy or rippled appearance, margin, or forman undulate leaf
Derived forms of undulate
undulator, nounWord Origin for undulate
C17: from Latin undulātus, from unda a wave
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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