undulate
Use Undulate in a sentence
un·du·late
[v. uhn-juh-leyt, uhn-dyuh-, -duh-; adj. uhn-juh-lit, -leyt, uhn-dyuh-, -duh-] verb, un·du·lat·ed, un·du·lat·ing, adjective 
dʒəˌleɪt, ˈʌn 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.
00:10
Undulate
is a GRE word you need to know.
So is fallacious. Does it mean:
| containing a fallacy; logically unsound: |
| occasional; scattered |
adjective
6.
Also, un·du·lat·ed. having a wavelike or rippled form, surface, edge, etc.; wavy.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To undulate
Collins
World English Dictionary
undulate (ˈʌndjʊˌleɪt) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —vb | |
| 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 |
| —adj | |
| 3. | having a wavy or rippled appearance, margin, or form: an undulate leaf |
| [C17: from Latin undulātus, from unda a wave] | |
| 'undulator | |
| —n | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
At the extreme, the ground will undulate as it would if someone was walking on a mattress.
Tents of many kinds and sizes undulate across the dunes.
The plesiosaur, being a reptile, wouldn't undulate but move from side to side.
The bulb-coats are brown or gray, thin, with horizontal undulate reticulation in vertical rows.
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