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Noun: imbecile  'im-bu,sil or im-bu-sul [N. Amer], 'im-bu,see(-u)l [Brit]
Usage: informal
  1. A person of subnormal intelligence
    - idiot, moron [informal], changeling [archaic], half-wit [informal], eejit [UK, Ireland, dialect], plank [Brit, informal], thickie [Brit, informal], thicko [informal]
Adjective: imbecile  'im-bu,sil or im-bu-sul [N. Amer], 'im-bu,see(-u)l [Brit]
  1. Devoid of good sense or judgment
    - foolish, daft [Brit, informal], dumb, stupid, imbecilic

Derived forms: imbeciles

See also: absurd, cockeyed [informal], derisory, dolt [informal], dullard, fond, goofy [informal], harebrained, idiotic, ill-advised, ill-conceived, impolitic, imprudent, inadvisable, insane, laughable, ludicrous, mad, meatball [N. Amer, informal], mindless, misbegotten, misguided, nonsensical, pillock [Brit, informal], preposterous, pudden-head [US, informal], pudding head [informal], rattlebrained, rattlepated, ridic [informal], ridiculous, scatterbrained, scatty [Brit, informal], silly, stupe [N. Amer, informal], stupid, stupid person, unadvisable, unadvised, unwise, vacant, vacuous, wacky, whacky, zany

Type of: simple [archaic], simpleton

Encyclopedia: Imbecile