Synonyms for weirdo Found 8 synonyms across 2 meanings for “weirdo”. someone unpleasantly strange or eccentric (noun) creepweirdieweirdyspook someone deranged and possibly dangerous (noun) crazyloonylooneynutcase Explore Related Words Rhymes with weirdoSynonyms for creepSynonyms for weirdieSynonyms for weirdySynonyms for spookSynonyms for crazy Synonym Finder | Rhyme Finder | Poetry Editor