Synonyms for idiot Found 6 synonyms across 1 meaning for “idiot”. a person of subnormal intelligence (noun) imbecilecretinmoronchangelinghalf-witretard Explore Related Words Rhymes with idiotSynonyms for imbecileSynonyms for cretinSynonyms for moronSynonyms for changelingSynonyms for half-wit Synonym Finder | Rhyme Finder | Poetry Editor