| Main Entry: | obtuse |
| Part of Speech: | adjective |
| Definition: | slow to understand |
Synonyms: |
dense, dopey, dull*, dumb, imperceptive, insensitive, opaque, slow on uptake, stolid, thick, uncomprehending, unintelligent |
| Notes: | acute is an angle of less than 90 degrees; obtuse is one of more than 90 degrees |
Antonyms: |
bright, intelligent, quick, smart |
| Main Entry: | obtuse |
| Part of Speech: | adjective |
| Definition: | blunt, not sharp |
Synonyms: |
round, rounded |
Antonyms: |
pointed, sharp |
| Main Entry: | blunt |
| Part of Speech: | adjective |
| Definition: | not sharp |
Synonyms: |
dull, dulled, edgeless, insensitive, obtuse, pointless, round, rounded, unsharpened |
Antonyms: |
needled, pointed, sharp |
| Main Entry: | crass |
| Part of Speech: | adjective |
| Definition: | coarse, insensitive |
Synonyms: |
Philistine, asinine, blundering, boorish, bovine, churlish, dense, doltish, gross, indelicate, inelegant, loutish, lowbrow, lumpish, oafish, obtuse, raw, rough, rude, stupid, uncouth, unrefined, vulgar, witless |
Antonyms: |
careful, delicate, kind, nice, refined, sensitive, tactful |
| Main Entry: | dense |
| Part of Speech: | adjective |
| Definition: | slow, stupid |
Synonyms: |
blockheaded, boorish, doltish, dull, dumb, fatheaded, ignorant, imbecilic, impassive, lethargic, numskulled, oafish, obtuse, phlegmatic, simple, slow-witted, sluggish, stolid, thick, torpid |
Antonyms: |
brainy, clever, intelligent, smart |
| Main Entry: | dim |
| Part of Speech: | adjective |
| Definition: | not very intelligent |
Synonyms: |
boorish, dense, dim-witted, doltish, dull, dumb, oafish, obtuse, slow, slow on uptake, stupid, thick*, weak-minded |
Antonyms: |
bright, intelligent, smart |
| 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: | dull |
| Part of Speech: | adjective |
| Definition: | not sharp |
Synonyms: |
blunt, blunted, edentate, edentulate, edgeless, flat, not keen, obtuse, pointless, round, square, toothless, turned, unpointed, unsharpened |
Antonyms: |
knifelike, pointed, serrated, sharp |
| Main Entry: | hardened |
| Part of Speech: | adjective |
| Definition: | unfeeling |
Synonyms: |
accustomed, benumbed, callous, case-hardened, coldhearted, contemptuous, cruel, disdainful, habituated, hard-as-nails, hard-bitten, hard-boiled, hardhearted, heartless, impenetrable, impious, inaccessible, indurated, inured, irreverent, obdurate, obtuse, prepared, resistant, seasoned, steeled, toughened, unashamed, unbending, uncaring, uncompassionate, unemotional, unrepenting, unsubmissive |
Antonyms: |
compassionate, feeling, kind, nice, sympathetic |
| Main Entry: | ignorant |
| Part of Speech: | adjective |
| Definition: | unaware, unknowing |
Synonyms: |
apprenticed, benighted, birdbrained, blind to, cretinous, dense, green*, illiterate, imbecilic, in the dark, inexperienced, innocent, insensible, mindless, misinformed, moronic, naive, nescient, oblivious, obtuse, shallow, thick, unconscious, unconversant, uncultivated, uncultured, uneducated, unenlightened, uninformed, uninitiated, unintellectual, unknowledgeable, unlearned, unlettered, unmindful, unread, unschooled, unsuspecting, untaught, untrained, unwitting, witless |
| Notes: | stupid refers to lack of ability while ignorant refers to lack of knowledge |
Antonyms: |
aware, competent, educated, intelligent, knowledgeable, literate, talented, wise |