Word: daftest

absurd, preposterous, ridiculous, ludicrous, farcical, laughable, idiotic, stupid, foolish, silly, inane, fatuous, harebrained, cockamamie, half-baked, crazy, cockeyed, simpleminded, slow, witless, feebleminded, empty-headed, vacuous, vapid, unhinged, insane, mad, thick, dim, dopey, dumb, dimwitted, halfwitted, birdbrained, pea-brained, slow on the uptake, soft in the head, brain-dead, not all there, touched, mental, nuts, batty, bonkers, crackers, dumb-ass, batshit, buggy, loco, nutty, loony, bats, balmy, wacky, fruity, dotty, barmy, round the bend, kooky, loopy, cracked, whacky, kookie, haywire