| Main Entry: | dull |
| Part of Speech: | adjective |
| Definition: | unintelligent |
Synonyms: |
addled, backward, besotted, boring, brainless, daffy, daft, dense, dim, dim-witted, doltish, dumb, feeble-minded, half-baked, ignorant, imbecilic, indolent, insensate, low, moronic, not bright, numskulled, obtuse, scatterbrained, shallow, simple, simple-minded, slow, sluggish, stolid, stupid, tedious, thick, unintellectual, vacuous, wearisome, witless |
Antonyms: |
intelligent, keen, sharp, smart, witty |
| Main Entry: | dumb |
| Part of Speech: | adjective |
| Definition: | stupid, unintelligent |
Synonyms: |
dense, dim-witted, doltish, dull, feebleminded, foolish, moronic, simple-minded, thick* |
Antonyms: |
bright, intelligent, sharp, smart |
| Main Entry: | guileless |
| Part of Speech: | adjective |
| Definition: | honest |
Synonyms: |
aboveboard, artless, candid, frank, genuine, ingenuous, innocent, naive, natural, open, simple, simple-minded, sincere, straightforward, truthful, unaffected, undesigning, unsophisticated, unstudied |
Antonyms: |
artful, clever, crafty, cunning, deceitful, dishonest, guileful, tricky |
| Main Entry: | imbecile |
| Part of Speech: | adjective |
| Definition: | stupid, foolish |
Synonyms: |
asinine, backward, deranged, dim-witted, dull, fatuous, feeble-minded, idiotic, imbecilic, inane, ludicrous, moronic, simple, simple-minded, slow, thick, witless |
Antonyms: |
brainy, intelligent, smart |
| Main Entry: | naive |
| Part of Speech: | adjective |
| Definition: | childlike, trusting |
Synonyms: |
aboveboard, artless, callow, candid, confiding, countrified, credulous, forthright, frank, fresh, green*, guileless, gullible, harmless, ignorant, impulsive, ingenuous, innocent, innocuous, instinctive, jejune, lamb, like a babe in the woods, natural, open, original, patsy, plain, simple, simple-minded, sincere, spontaneous, square, sucker, unaffected, unjaded, unpretentious, unschooled, unsophisticated, unsuspecting, unsuspicious, untaught, unworldly, virgin, wide-eyed |
Antonyms: |
experienced, leery, skeptical, wise |
| Main Entry: | simple |
| Part of Speech: | adjective |
| Definition: | feeble-minded; not intelligent |
Synonyms: |
amateur, asinine, backward, brainless, credulous, dense, dimwitted, dull, dumb, fat, feeble, foolish, green*, gullible, half-witted, idiotic, ignorant, illiterate, imbecile, inane, inexperienced, inexpert, insensate, mindless, moronic, nitwitted, obtuse, senseless, shallow, silly, simple-minded, slow, soft, soft-headed, stupid, thick, uneducated, unintelligent, witless |
| Notes: | simple means 'plain, uncomplicated'; simplistic means 'characterized by a forced, unwarranted simplicity' |
Antonyms: |
aware, intelligent, on-the-ball, smart |
| Main Entry: | retarded |
| Part of Speech: | adjective |
| Definition: | limited |
Synonyms: |
backward, birdbrained, defective, dim, dim-witted, dopey, dull, dumbbell, dumbo, dumdum, dummy, exceptional, feeble-minded, gorked, half-witted, held back, imbecile, lamebrained, mentally defective, moronic, numbskull, opaque, pinhead, retardo, sappy, simple, simple-minded, slow, slow-witted, stupid, subnormal, touched, underachieving, weak, yo-yo |
| Main Entry: | feeble-minded |
| Part of Speech: | adjective |
| Definition: | stupid |
Synonyms: |
dim-witted, dull, dumb, half-witted, mentally slow, retarded, simple, simple-minded, slow, slow-witted, unintelligent |
| Main Entry: | simple-minded |
| Part of Speech: | adjective |
| Definition: | backward |
Synonyms: |
arrested, behind, checked, delayed, dense, dull, feeble-minded, imbecile, late, moronic, simple, slow, slow-witted, stupid*, subnormal, underdeveloped, underprivileged, undeveloped |