| Main Entry: | |
| 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 |
| Main Entry: | blind |
| Part of Speech: | adjective |
| Definition: | indifferent |
| Synonyms: | careless, heedless, ignorant, imperceptive, inattentive, inconsiderate, indiscriminate, injudicious, insensitive, myopic, nearsighted, neglectful, oblivious, thoughtless, unaware, unconscious, undiscerning, unmindful, unobservant, unperceiving, unreasoning, unseeing |
| Antonyms: | aware, cunning, quick, sharp, understanding |
| Main Entry: | crude |
| Part of Speech: | adjective |
| Definition: | vulgar, unpolished in manner |
| Synonyms: | awkward, backward, barnyard, boorish, cheap, cloddish, clumsy, coarse, crass, dirty, earthy, filthy, foul, grody, gross*, ignorant, ill-bred, indecent, indelicate, inelegant, insensible, lewd, loud, loud-mouthed, loutish, lowbred, oafish, obscene, raunchy*, raw, rough, rude, savage, smutty, tacky*, tactless, uncouth, unenlightened, ungainly, unskillful |
| Antonyms: | gentle, nice, polished, refined, tasteful |
| 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: | 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: | empty |
| Part of Speech: | adjective |
| Definition: | fruitless, ineffective |
| Synonyms: | aimless, banal, barren, cheap, dead, deadpan, devoid, dishonest, dumb, expressionless, fatuous, flat, frivolous, futile, hollow, idle, ignorant, inane, ineffectual, inexpressive, insincere, insipid, jejune, meaningless, nugatory, otiose, paltry, petty, purposeless, senseless, silly, trivial, unintelligent, unreal, unsatisfactory, unsubstantial, vacuous, vain, valueless, vapid, worthless |
| Antonyms: | abundant, copious, effective, fruitful, productive, sufficient |
| Main Entry: | empty-headed |
| Part of Speech: | adjective |
| Definition: | flighty, scatterbrained |
| Synonyms: | brainless, dizzy, featherbrained, frivolous, giddy, harebrained, ignorant, illiterate, inane, know-nothing, silly, skittish, stupid, uneducated, unschooled, untaught, vacant, vacuous |
| Antonyms: | cognizant, intelligent, sensible, slick, smart |
| Main Entry: | fallible |
| Part of Speech: | adjective |
| Definition: | able or prone to err |
| Synonyms: | careless, deceptive, errable, errant, erring, faulty, frail, heedless, human, ignorant, imperfect, in question, liable, mortal, questionable, uncertain, unreliable, untrustworthy, weak |
| Notes: | fallacious means intended to deceive; fallible means liable to make a mistake or to be inaccurate or erroneous; false means not in accordance with the fact or reality or actuality, or deliberately deceptive, or not genuine or real |
| Antonyms: | certain, correct, definite, infallible, perfect, reliable, strong, sure, unerring |
| Main Entry: | gauche |
| Part of Speech: | adjective |
| Definition: | tactless, unsophisticated |
| Synonyms: | awkward, bumbling, clumsy, crude, graceless, green, halting, ham-handed, heavy-handed, ignorant, ill-bred, ill-mannered, inelegant, inept, insensitive, lacking, maladroit, oafish, uncouth, uncultured, unhappy, unpolished, wooden |
| Antonyms: | elegant, graceful, mannerly, polished, refined, sophisticated, tactful, tasteful |