Synonyms of 'fatuous'

absurd, Airy, apish, asinine, barren, batty, besotted, blank, bootless, brainless, calm, catchpenny, chimerical, cockeyed, crazy, credulous, daffy, daft, dizzy, doting, dumb, effete, empty, empty-headed, ethereal, fanciful, fatuitous, feckless, flaky, flimsy, fond, fool, foolish, fribble, frivolous, frothy, fruitless, futile, gaga, gaseous, goofy, gossamery, hollow, idiotic, idle, illusory, imaginary, imbecile, inadequate, inane, incogitant, ineffective, ineffectual, inefficacious, inept, infatuated, inoperative, insane, insensate, invalid, kooky, light, loony, mad, maudlin, moronic, nugatory, nutty, oblivious, otiose, passive, rarefied, sappy, screwy, senseless, sentimental, shadowy, shallow, silly, slender, slight, spirituous, sterile, stupid, subtile, subtle, superficial, tenuous, thoughtless, tranquil, trifling, trite, trivial, unavailing, unideaed, unoccupied, unreal, unreasoning, unthinking, unwitty, useless, vacant, vacuous, vain, vapid, vaporous, wacky, weak-minded, wet, windy, witless