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fastuous

[fas-choo-uh s]
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adjective
  1. haughty; arrogant.
  2. showy; ostentatious.
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Origin of fastuous

1630–40; < Latin fastuōsus, equivalent to fastu(s) haughtiness, arrogance (cf. fastidious) + -ōsus -ous
Related formsfas·tu·ous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018