SAT GRE TOEFL ostracize Definition To exclude someone from a group or society. Example "She was ostracized by her peers after revealing the secret." Sign in to save SAT Quiz → GRE Quiz → TOEFL Quiz → ← ostentation ostrich → Study tips featuring "ostracize" Spot the Vocabulary Trap in Every Question Write GRE Words Into Your Own Sentences TOEFL Academic Vocabulary: Study by Topic Related words SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal SAT abominable