Synonyms of 'fatuous'

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