undulate

[verb uhn-juh-leyt, uhn-dyuh-, -duh-; adjective uhn-juh-lit, -leyt, uhn-dyuh-, -duh-]
verb (used without object), un·du·lat·ed, un·du·lat·ing.
  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), un·du·lat·ed, un·du·lat·ing.
  1. to cause to move in waves.
  2. to give a wavy form to.
adjective
  1. Also un·du·lat·ed. having a wavelike or rippled form, surface, edge, etc.; wavy.

Origin of undulate

1650–60; < Latin undulātus waved, equivalent to und(a) wave + -ul(a) -ule + -ātus -ate1
Related formsun·du·la·tor, nounnon·un·du·late, adjectivenon·un·du·lat·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for undulated

wobble, billow, swell, flow, surge, swing, ripple, wave, heave, roll, oscillate

Examples from the Web for undulated

Historical Examples of undulated


British Dictionary definitions for undulated

undulate

verb
  1. to move or cause to move in waves or as if in waves
  2. to have or provide with a wavy form or appearance
adjective (ˈʌndjʊlɪt, -ˌleɪt) undulated
  1. having a wavy or rippled appearance, margin, or forman undulate leaf
Derived Formsundulator, noun

Word Origin for undulate

C17: from Latin undulātus, from unda a wave
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for undulated

undulate

v.

1660s, from undulation. Related: undulated, undulating.

Online Etymology Dictionary, © 2010 Douglas Harper