apish, artless, asinine, awkward, bad, batty, befooled, beguiled, besotted, brainless, buffoonish, bumbling, bungling, clumsy, cockeyed, crazy, credulous, daffy, daft, dazed, dizzy, doting, dumb, fatuitous, fatuous, flaky, fond, fool, foolheaded, foolish, fuddled, futile, gaga, gauche, goofy, graceless, gulled, half-assed, halting, ham-handed, headless, idiotic, ignorant, ill-adapted, ill-advised, ill-assorted, ill-chosen, ill-considered, ill-fitted, ill-judged, ill-matched, ill-sorted, ill-suited, ill-timed, imbecile, impolitic, improper, imprudent, inadept, inadmissible, inadvisable, inane, inapplicable, inapposite, inappropriate, inapt, inattentive, incapable, incapable of, incompetent, incongruous, indiscreet, ineffective, inefficient, inexpedient, inexpert, infatuated, infelicitous, inferior, injudicious, inopportune, insane, insensate, irrational, irrelevant, kooky, lackbrained, lean-minded, lean-witted, loony, lumbering, mad, mal a propos, maladjusted, maladroit, malapropos, maudlin, mediocre, mindless, misguided, misjoined, mismatched, mismated, misplaced, moronic, not bright, nutty, of little brain, out of character, out of joint, out of keeping, out of line, out of place, out of proportion, out of season, out of time, out of tune, pea-brained, pedestrian, pin-brained, poor, reasonless, sappy, screwy, senseless, sentimental, silly, skill-less, slackminded, slackwitted, stupid, thoughtless, unable, unable to, unadapted, unadvised, unapt, unbecoming, unbefitting, undeft, undesirable, undexterous, undextrous, undiplomatic, undue, unendowed, unfacile, unfit, unfitted, unfitting, unfortunate, ungainly, ungifted, unhandy, unhappy, unintellectual, unintelligent, unmeet, unproficient, unprofitable, unqualified, unreasoning, unseasonable, unseemly, unskilled, unskillful, unsuitable, unsuited, untalented, unthinking, untimely, unwise, unworkmanlike, wacky, wet, witless, wooden, wrong