• synonyms


[uhn-juh-luh-tawr-ee, -tohr-ee, uhn-dyuh-, -duh-]
See more synonyms for undulatory on Thesaurus.com
  1. Also un·du·lar. moving in undulations.
  2. having the form or appearance of waves.
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Also un·du·la·tive [uhn-juh-ley-tiv, uhn-dyuh-, -duh-] /ˈʌn dʒəˌleɪ tɪv, ˈʌn dyə-, -də-/.

Origin of undulatory

First recorded in 1720–30; undulate + -ory1
Related formsnon·un·du·la·to·ry, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for undulatory

rolling, curved, sinuous, curly, coiled, waving, undulant, undulatory, bumpy, snaky, undulate, unstable, winding, flexuous, plangent, sinuate, squiggly, vermiculate

Examples from the Web for undulatory

Historical Examples of undulatory

  • The undulatory theory of light also assumes the existence of a medium.

    Aether and Gravitation

    William George Hooper

  • At Fontana, however, the undulatory shock was replaced by a vertical one.

  • This undulatory movement, as it is called, pushes the fish's body ahead.

  • In the air they are readily distinguished by their undulatory flight.

  • It certainly coincides with the "undulatory wave" theory of Science.

    Dynamic Thought

    William Walker Atkinson

British Dictionary definitions for undulatory


  1. caused by or characterized by waves or undulations
  2. having a wavelike motion or form
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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