| Word | Definitions | Synonyms |
|---|---|---|
| imbecile | (noun) a person of subnormal intelligence | Synonyms: changeling, cretin, half-wit, idiot, moron, retard |
| imbecility | (noun) a stupid mistake | Synonyms: betise, folly, foolishness, stupidity |
| (noun) retardation more severe than a moron but not as severe as an idiot | - |