See idiocy in Webster's New World Roget's A-Z Thesaurus II
noun
Foolish behavior:
absurdity, folly, foolery, foolishness, imbecility, insanity, lunacy, madness, nonsense, preposterousness, senselessness, silliness, tomfoolery, zaniness. (Informal) craziness. See abilitySomething that does not have or make sense:
balderdash, blather, bunkum, claptrap, drivel, garbage, nonsense, piffle, poppycock, rigmarole, rubbish, tomfoolery, trash, twaddle. (Informal) tommyrot. (Slang) applesauce, baloney, bilge, bull1, bunk2, crap, hooey, malarkey. See knowledge
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