adjective fas·tu·ous \ˈfas-chə-wəs\

Definition of fastuous

  1. 1 :  haughty, arrogant a fastuous air of finality — Carl Van Vechten

  2. 2 :  ostentatious, showy disdained fastuous ceremonies

Origin and Etymology of fastuous

Latin fastuosus, from fastus arrogance

First Known Use: 1638

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