Synonyms for define Found 8 synonyms across 2 meanings for “define”. determine the essential quality of (verb) specifydelineatedelimitdelimitate decide upon or fix definitely (verb) setdeterminefixlimit Explore Related Words Rhymes with defineSynonyms for specifySynonyms for delineateSynonyms for delimitSynonyms for delimitateSynonyms for set Synonym Finder | Rhyme Finder | Poetry Editor