SAT GRE TOEFL fatuous Definition Silly and foolish, often in a self-satisfied way. Example "The politician dismissed the argument as fatuous nonsense." Sign in to save SAT Quiz → GRE Quiz → TOEFL Quiz → ← fatigue faucet → Study tips featuring "fatuous" Let the Argument Reveal Unfamiliar Word Meanings Group Words Together by Emotional Tone Map Each Word Into a Connected Network Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal