SAT TOEFL IELTS unique Definition One of a kind; unlike anything else. Example "Each snowflake has a unique pattern." Sign in to save SAT Quiz → TOEFL Quiz → IELTS Quiz → ← uninhabited uniqueness → Study tips featuring "unique" Map Each Word Into a Connected Network Map the Author's Attitude Before Reading Questions Audit Your Own Writing for Lexical Resource 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