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[in-floo-en-shuh l] /ˌɪn fluˈɛn ʃəl/
having or exerting influence, especially great influence:
three influential educators.
a person who exerts or can exert strong influence:
according to influentials of the fashion industry.
Origin of influential
1560-70; < Medieval Latin influenti(a) stellar emanation (see influence) + -al1
Related forms
influentially, adverb
noninfluential, adjective
noninfluentially, adverb
overinfluential, adjective
quasi-influential, adjective
quasi-influentially, adverb
uninfluential, adjective
uninfluentially, adverb
1. consequential, forceful, important. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for influential
  • Perhaps as online education continues to grow, such extension programs will become more powerful and influential.
  • The decision gives corporate lobbyists, already much too influential in our political system, an immensely powerful weapon.
  • The problematic data appear in two papers about ways to manipulate human cells that were published in highly influential journals.
  • But two decades later, the record's defiant atmospherics and tremolo experimentation have become more influential than ever.
  • In fact, the alumni boards of many universities have become especially influential.
  • Genetics are not deterministic, it is completely true, but they are influential.
  • Of course that's what made their ideas so great and influential.
  • More influential is whether students anticipate that they'll be satisfied.
  • influential think tanks are a rather dysfunctional invention.
  • But there are ways to dim our influential lights, the scientists say.
British Dictionary definitions for influential


having or exerting influence
Derived Forms
influentially, adverb
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
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Word Origin and History for influential

"powerful," 1650s, from Medieval Latin influentialis, from influentia (see influence). Earlier in an astrological sense (1560s).

Online Etymology Dictionary, © 2010 Douglas Harper
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