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infatuate

[verb in-fach-oo-eyt; adjective, noun in-fach-oo-it, -eyt]
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verb (used with object), in·fat·u·at·ed, in·fat·u·at·ing.
  1. to inspire or possess with a foolish or unreasoning passion, as of love.
  2. to affect with folly; make foolish or fatuous.
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adjective
  1. infatuated.
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noun
  1. a person who is infatuated.
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Origin of infatuate

1425–75; late Middle English < Latin infatuātus, past participle of infatuāre. See in-2, fatuous, -ate1
Related formsin·fat·u·a·tor, nounself-in·fat·u·at·ed, adjectiveun·in·fat·u·at·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for infatuated

infatuated

adjective
  1. (often foll by with) possessed by a foolish or extravagant passion, esp for another person
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Derived Formsinfatuatedly, adverb

infatuate

verb (ɪnˈfætjʊˌeɪt) (tr)
  1. to inspire or fill with foolish, shallow, or extravagant passion
  2. to cause to act foolishly
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adjective (ɪnˈfætjʊɪt, -ˌeɪt)
  1. an archaic word for infatuated
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noun (ɪnˈfætjʊɪt, -ˌeɪt)
  1. literary a person who is infatuated
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Word Origin

C16: from Latin infatuāre, from in- ² + fatuus fatuous
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 infatuated

infatuate

v.

1530s, "turn (something) to foolishness, frustrate," from Latin infatuatus, past participle of infatuare "make a fool of," from in- "in" (see in- (2)) + fatuus "foolish." Specific sense of "inspire (in someone) a foolish romantic passion" is from 1620s. Related: Infatuated; infatuating.

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Online Etymology Dictionary, © 2010 Douglas Harper