SAT GRE TOEFL heinous Definition Grossly wicked and morally offensive. Example "The court called the crime a heinous act of violence." Sign in to save SAT Quiz → GRE Quiz → TOEFL Quiz → ← heighten heir → Study tips featuring "heinous" Map Each Word Into a Connected Network Map the Author's Attitude Before Reading Questions Force Contrast Between Two Similar Words 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