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fatuous

[fach-oo-uh s] /ˈfætʃ u əs/
adjective
1.
foolish or inane, especially in an unconscious, complacent manner; silly.
2.
unreal; illusory.
Origin of fatuous
1625-1635
1625-35; < Latin fatuus silly, foolish, idiotic; see -ous
Related forms
fatuously, adverb
fatuousness, noun
Synonyms
1. dense, dull, dim-witted. See foolish.
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for fatuous
Contemporary Examples
Historical Examples
  • None but she would have been guilty of the fatuous vulgarity of "Italian nobility."

  • “You sure will,” agreed Toby, with one of his fatuous grins.

  • Instead of fatuous felicity, their faces suggested disappointment.

    The Island Mystery George A. Birmingham
  • It is fatuous to develop one division at the expense of the other.

  • She said ‘Yes’ to him only for the sake of that fatuous, swindling father of hers.

    Chance Joseph Conrad
British Dictionary definitions for fatuous

fatuous

/ˈfætjʊəs/
adjective
1.
complacently or inanely foolish
Derived Forms
fatuously, adverb
fatuousness, noun
Word Origin
C17: from Latin fatuus; related to fatiscere to gape
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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Contemporary definitions for fatuous
adjective

illusory; delusive

Word Origin

Latin fatuus 'foolish'

Dictionary.com's 21st Century Lexicon
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Word Origin and History for fatuous
adj.

c.1600, from Latin fatuus "foolish, insipid, silly;" of uncertain origin (Buck suggests originally "stricken" in the head). Related: Fatuously; fatuousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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