Synonyms for dude Found 10 synonyms across 2 meanings for “dude”. an informal form of address for a man (noun) fellowbuster a man who is much concerned with his dress and appearance (noun) dandyfopgallantsheikbeauswellclotheshorse Explore Related Words Rhymes with dudeSynonyms for fellowSynonyms for busterSynonyms for dandySynonyms for fopSynonyms for gallant Synonym Finder | Rhyme Finder | Poetry Editor