Inadmissible, Inadvisable, Inane, Inapplicable, Inappropriate, Inattentive, Incapable, Incompetent, Incongruous, Indiscreet, Ineffective, Inefficient, Inexpedient, Inexpert, Infatuated, Infelicitous, Inferior, Injudicious, Inopportune, Insane, Irrational, Irrelevant, Loony, Lumbering, Mad, Maladjusted, Maladroit, Maudlin, Mediocre, Mindless, Misguided, Mismatched, Misplaced, Moronic, Nutty, Pedestrian, Poor, Reasonless, Screwy, Senseless, Sentimental, Silly, Stupid, Thoughtless, Unable, Unadapted, Unapt, Unbecoming, Undesirable, Undiplomatic, Undue, Unfit, Unfitting, Unfortunate, Ungainly, Unhandy, Unhappy, Unintellectual, Unintelligent, Unprofitable, Unqualified, Unreasoning, Unseasonable, Unseemly, Unskilled, Apish, Artless, Asinine, Awkward, Bad, Batty, Beguiled, Besotted, Brainless, Bumbling, Bungling, Clumsy, Cockeyed, Crazy, Credulous, Daffy, Daft, Dazed, Dizzy, Doting, Dumb, Fatuous, Flaky, Fond, Fool, Foolish, Fuddled, Futile, Gaga, Gauche, Goofy, Graceless, Halting, Headless, Idiotic, Ignorant, Imbecile, Impolitic, Improper, Imprudent, Unsuitable, Unsuited, Untalented, Unthinking, Untimely, Unwise, Wacky, Wet, Witless, Wooden, Wrong