Relaxed, Screwy, Senseless, Sentimental, Shadowy, Shallow, Silly, Slender, Slight, Sterile, Stupid, Subtle, Superficial, Tenuous, Thoughtless, Tranquil, Trifling, Trite, Trivial, Unavailing, Unintellectual, Unoccupied, Unreal, Unreasoning, Unthinking, Useless, Vacant, Vacuous, Vain, Vapid, Vaporous, Wacky, Wet, Windy, Witless, Absurd, Airy, Apish, Asinine, Barren, Batty, Beguiled, Besotted, Blank, Bootless, Brainless, Calm, Chimerical, Cockeyed, Counterproductive, Crazy, Credulous, Daffy, Daft, Dazed, Dizzy, Doting, Dreamlike, Dumb, Effete, Empty, Ethereal, Fanciful, Feckless, Flaky, Flimsy, Fond, Fool, Foolish, Frivolous, Frothy, Fruitless, Fuddled, Futile, Gaga, Gaseous, Goofy, Hollow, Idiotic, Idle, Illusory, Imaginary, Imbecile, Inadequate, Inane, Ineffective, Ineffectual, Inept, Infatuated, Inoperative, Insane, Invalid, Light, Loony, Mad, Maudlin, Moronic, Nutty, Oblivious, Passive, Rarefied