Asinine, dopy, dopey, foolish, goosey, goosy, gooselike, jerkyblockheaded, boneheaded, duncical, duncish, fatheaded, loggerheaded, thick, thickheaded, thick-skulled, wooden-headedcloddish, doltishdense, dim, dull, dumb, obtuse, slowgaumless, gormlesslumpish, lumpen, unthinking, nitwitted, senseless, soft-witted, witlessweakyokel-like, brainless, dazed, deficient, doltish, dummy, foolish, half-baked, half-witted, idiotic, ill-advised, imbecilic, inane, insensate, mindless, moronic, nonsensical, obtuse, “out to lunch”, puerile, senseless, shortsighted, simple, simpleminded, slow, sluggish, stolid, stupefied, thick, thick-headed, trivial, unintelligent, unthinking, witless, asininity, battiness, brainlessness, doltishness, fatuity, fatuousness, feeble-mindedness, idiocy, imbecility, injudiciousness, insensibility, lunacy, nitwittedness, obtuseness, puerility, shallowness, slowness, slowness, sluggishness, stolidity, stupefaction, stupidness, thick-headedness, weak-mindedness… Stupidity.

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