unbeatenEnglishOxford American Thesaurusunbeaten adjective Edinburgh are the only unbeaten team in the division | an unbeaten record: undefeated, unconquered, unbowed, unvanquished, unsubdued, unsurpassed, unequaled, unrivaled, unbroken; triumphant, victorious, supreme, matchless, second to none. ▷antonyms beaten, defeated.