Synonyms and Antonyms of senseless
- she collapsed, senseless, after hitting her head
- a pretty but senseless phrase
frivolous, inconsequential, inconsiderable, insignificant, little, minor, negligible, slight, trifling, trivial, unimportant
absurd, asinine, balmy, brainless, crackpot, crazy, cuckoo, daffy, daft, dotty, empty-headed, fatuous, foolish, half-witted, harebrained, insane, jerky, kooky (also kookie), loony (also looney), lunatic, mad, mindless, nonsensical, nutty, preposterous, sappy, silly, simpleminded, stupid, tomfool, unintelligent, unwise, wacky (also whacky), weak-minded, witless, zany
- he may be a little absentminded, but he's really not as senseless as he seems
airheaded, birdbrained, bonehead, boneheaded, brain-dead, brainless, bubbleheaded, chuckleheaded, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, gormless [chiefly British], half-witted, knuckleheaded, lamebrain (or lamebrained), lunkheaded, mindless, oafish, obtuse, opaque, pinheaded, simple, slow, slow-witted, soft, softheaded, stupid, thick, thick-witted, thickheaded, unintelligent, unsmart, vacuous, weak-minded, witless
cretinous, feebleminded, simpleminded
boobish, foolish, idiotic (also idiotical), imbecile (or imbecilic), moronic
ignorant, illiterate, lowbrow, uneducated, uninformed, unintellectual, untaught, unthinking