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 PDF — $25 GRE PDF — $25 TOEFL PDF — $25 ← ostentation ostrich → Study tips featuring "ostracize" TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT 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