- obtuse
- adj1. blunt, rounded, smooth, unpointed, unedged.2. phlegmatic, sluggish, slow, torpid; dormant, stagnant, inactive, inert, passive; hebetudinous, lethargic, languid, listless; torporific, droopy, spiritless, leaden, heavy, vapid.3. insensitive, insentient, imperceptive, impercipient, insensible, undiscerning; unfeeling, cold, cool, withdrawn; thick-skinned, callous, uncaring, unsympathetic; passionless, heartless, unemotional; stolid, impassive, unmoved, numb, apathetic; unobservant, inattentive, unconscious, unaware, blind, unseeing; uninterested, heedless, indifferent, unresponsive.4. stupid, insensate, witless, irrational, Inf. dumb, dull, dull-witted; unintelligent, thick, dense, thickheaded, fatheaded, blockheaded, Sl. pinheaded, Sl. birdbrained, Sl. peabrained; vacuous, empty-headed, inane, brainless, foolish, Inf. dopey, not having the brains one was born with; slow-witted, dim-witted, backward, retarded, mentally retarded, simple-minded, simple; bovine, cloddish, doltish, boorish, oafish, lumpish, lubberly, loutish; ignorant, crass, Boeotian, gross; not having much upstairs, mutton-headed, Sl. goony, Sl. schmucky; out of it, out in left field, in the ozone, in orbit; moronic, boneheaded, dunderheaded, thick-skulled, wooden-headed.
A Note on the Style of the synonym finder. 2014.