/ Dictionary / Index O ostracize: Meaning and Definition of Find definitions for: os•tra•cize Pronunciation: (os'tru-sīz"), [key] — -cized, -ciz•ing. to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest. to banish (a person) from his or her native country; expatriate. (in ancient Greece) to banish (a citizen) temporarily by popular vote. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ostracize (Thesaurus) ostracism ostracod Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language