subnormal Synonyms

of poor quality substandard below par below average unsatisfactory moronic low-grade worthless unnatural subalternate denormal imbecilic of low quality below normal mentally defective not up to par leaving much to be desired not good enough subpar sub-par unintelligent stupid simple second-rate idiot feeble-minded deficient defective bottom bantam backward amorphous adjunctive idiotic imbecile second-class retarded poor mediocre low lesser inferior inadequate imperfect abnormal