illiterate, uninformed, empty-headed, uneducated, simple, unlearned, foolish, mindless, unintelligent, ignorant.

mindless, unthinking, empty-headed, blank, unreasonable, thoughtless, unoccupied, unthoughtful, fatuous, illogical, vacuous, inane, vacant.

dopey, bone-headed, ignorant, doltish, blithering, imbecilic, idiotic, half-witted, foolish, asinine, dumb, blockheaded, lame-brained, nonsensical, cretinous, stupid, loony, jackass, inane, goofy, crazy, knuckle-headed, nitwit, absurd, moronic, chuckle-headed, meat-headed, dim-witted, crackpot, dotty.

lamebrain, softheaded, boneheaded, dim, lunkheaded, soft, pinheaded, daffy, bubbleheaded, headless, balmy, cuckoo, tomfool, oafish, slow, jerky, airheaded, brain-dead, fool, screwball, half-baked, chuckleheaded, opaque, cockeyed, witless, ability, preposterous, lunkheaded, thick-witted, silly, insensate, kooky, daft, weak-minded, dense, simpleminded, unsmart, sappy, bonehead, bubbleheaded, gormless, unintelligent, dunderheaded, dorky, obtuse, senseless, knuckleheaded, mad, simple-minded, planned, thickheaded, dippy, lunatic, thick, wacky, inept, featherheaded, birdbrained, zany, dull, insane, stupid, slow-witted, nutty, harebrained, unwise.

But she felt herself too brainless, too ignorant to be able to contribute to it anything of value. - "The Way of Ambition", Robert Hichens.

Especially he had despised the young men as brainless cowards in regard to their views of women and conduct toward them. - "The Complete Project Gutenberg Works of George Meredith", George Meredith.

I am fit only to be the wife of an idle brainless man, with money and a title, ' she said, in extreme self- contempt. - "The Complete Project Gutenberg Works of George Meredith", George Meredith.

braless, braincase, brashness, branchless, brainish, braille, brainsick, brainstem, brainwave.