Unique Thesaurus . Definition from Wiktionary, the free dictionary. How do I use OneLook's thesaurus / reverse dictionary feature? Oxford Mini School Thesaurus | Bookworld (Jordan Torres) Generally speaking, this word "unique" can be used in several fields like numbers and one. Learn synonyms, antonyms, and opposites of Unique in English with Spanish translations of every word. We found great thesaurus synonyms, antonyms and definitions for unique at TextToSpeech.io. Find more ways to say unique, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Synonyms for unique - special, exceptional, peculiar, unparalleled, only, unique person and others. uniquely, unrivalled, unmatched, incomparable, matchless, distinctive, idiosyncratic, unrepeatable. unique synonyms and antonyms in the English synonyms dictionary, see also 'unite',undue',untie',united', definition.