Moronic, Neurotic, Nonsensical, Nuts, Nutty, Odd, Off, Overanxious, Overenthusiastic, Potty, Psycho, Psychotic, Queer, Quirky, Reasonless, Reckless, Ridiculous, Schizoid, Schizophrenic, Screwy, Senseless, Sentimental, Sick, Silly, Strange, Stupid, Thoughtless, Touched, Unbalanced, Unhinged, Unrealistic, Unsettled, Unsound, Wacky, Wandering, Wet, Wild, Witless, Abnormal, Absurd, Apish, Asinine, Batty, Beguiled, Besotted, Brainless, Buggy, Bugs, Certifiable, Cockeyed, Cracked, Crackers, Cranky, Crazed, Crazy, Credulous, Cuckoo, Daffy, Daft, Dazed, Delirious, Deluded, Demented, Deranged, Disordered, Disoriented, Distraught, Dizzy, Doting, Dotty, Dull, Dumb, Eccentric, Fanatical, Fatuous, Febrile, Feverish, Flaky, Flighty, Fond, Fool, Foolish, Frantic, Frenetic, Frenzied, Fruity, Fuddled, Furious, Futile, Gaga, Goofy, Hallucinated, Hectic, Hysteric, Idiotic, Imbecile, Imbecilic, Inane, Inept, Infatuated, Irrational, Irresponsible, Kinky, Loco, Loony, Loopy, Ludicrous, Lunatic, Mad, Maddened, Maniac, Maniacal, Manic, Maudlin, Mental, Mindless