fastuous

[ fas-choo-uh s ]
/ ˈfæs tʃu əs /

adjective

haughty; arrogant.
showy; ostentatious.

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. 2019