| Main Entry: | foolish |
| Part of Speech: | adjective |
| Definition: | nonsensical, idiotic |
Synonyms: |
absurd, asinine, brainless, cockamamy, crazy, daffy, daft, dippy, doltish, dotty, fantastic, fatuous, feebleminded, half-baked, half-witted, harebrained, ill-advised, ill-considered, imbecilic, imprudent, incautious, indiscreet, injudicious, insane, irrational, jerky, kooky, loony, ludicrous, lunatic, mad, moronic, nerdy, nutty, preposterous, ridiculous, senseless, short-sighted, silly, simple, stupid, unintelligent, unreasonable, unwise, wacky*, weak, witless, zany* |
Antonyms: |
careful, cautious, circumspect, prudent, sensible, serious, thoughtful, unfoolish, wise |
| Main Entry: | frivolous |
| Part of Speech: | adjective |
| Definition: | trivial, silly |
Synonyms: |
barmy, childish, dizzy*, empty-headed, facetious, featherbrained, flighty, flip, flippant, foolish, gay, giddy*, harebrained, idiotic, idle, ill-considered, impractical, juvenile, light, light-minded, minor, niggling, nonserious, not serious, paltry, peripheral, petty, playful, pointless, puerile, scatterbrained, senseless, shallow, sportive, superficial, tongue-in-cheek, unimportant, unprofound, volatile, whimsical |
Antonyms: |
grave, mature, sensible, serious, solemn, thoughtful, wise |
| Main Entry: | ill-advised |
| Part of Speech: | adjective |
| Definition: | unwise, not thought out |
Synonyms: |
brash, confused, foolhardy, foolish, half-baked, hotheaded, ill-considered, ill-judged, impolitic, imprudent, inappropriate, incautious, inconsiderate, indiscreet, inexpedient, injudicious, madcap, misguided, off the top of one's head, overhasty, rash, reckless, short-sighted, thoughtless, unseemly, wrong |
Antonyms: |
reasonable, sensible, well-advised, wise |
| Main Entry: | imprudent |
| Part of Speech: | adjective |
| Definition: | without much thought |
Synonyms: |
brash, careless, foolhardy, foolish, heedless, ill-advised, ill-considered, ill-judged, impolitic, improvident, incautious, inconsiderate, indiscreet, inexpedient, injudicious, irresponsible, leaving self wide open, off the deep end, overhasty, playing with fire, rash, reckless, temerarious, thoughtless, unadvisable, unthinking, unwise |
Antonyms: |
careful, cautious, discreet, prudent, wise |
| Main Entry: | irresponsible |
| Part of Speech: | adjective |
| Definition: | careless, reckless |
Synonyms: |
capricious, carefree, devil-may-care, feckless, fickle, flighty, fly-by-night, giddy, harebrained, ill-considered, immature, immoral, incautious, lax, loose*, no-account, rash, scatterbrained, shiftless, thoughtless, unaccountable, unanswerable, uncareful, undependable, unpredictable, unreliable, unstable, untrustworthy, wild |
Antonyms: |
accountable, careful, liable, reliable, responsible, trustworthy |
| Main Entry: | premature |
| Part of Speech: | adjective |
| Definition: | rash, impulsive |
Synonyms: |
half-baked, half-cocked, hasty, ill-considered, inopportune, jumping the gun, overhasty, precipitate, previous, too soon, untimely |
Antonyms: |
careful, cautious, prepared, slow |
| Main Entry: | rash |
| Part of Speech: | adjective |
| Definition: | careless, impulsive |
Synonyms: |
adventurous, audacious, bold, brash, daring, determined, devil-may-care, fiery, foolhardy, frenzied, furious, harebrained, hasty, headlong, headstrong, heedless, hotheaded, ill-advised, ill-considered, immature, impetuous, imprudent, incautious, indiscreet, injudicious, insuppressible, irrational, jumping to conclusions, madcap, overhasty, passionate, precipitant, precipitate, premature, reckless, thoughtless, unguarded, unthinking, unwary, venturesome, venturous, wild |
| Notes: | rash (the adjective) suggests imprudence and lack of forethought; reckless implies disregard of possible consequences |
Antonyms: |
careful, cautious, planned, thoughtful |
| Main Entry: | shortsighted |
| Part of Speech: | adjective |
| Definition: | unmindful of future consequences |
Synonyms: |
astigmatic, blind, careless, foolish, headlong, ill-advised, ill-considered, imperceptive, impolitic, impractical, improvident, imprudent, injudicious, myopic, nearsighted, rash, stupid, unsagacious, unwary |
Antonyms: |
careful, longsighted, prudent, thoughtful, wise |
| Main Entry: | thoughtless |
| Part of Speech: | adjective |
| Definition: | absent-minded, unobservant |
Synonyms: |
bovine, careless, confused, doltish, dull, empty-headed, flighty, foolish, heedless, ill-advised, ill-considered, imprudent, inadvertent, inane, inattentive, incomprehensible, inept, injudicious, irrational, irreflective, lamebrained, loony, mindless, neglectful, negligent, obtuse, puerile, rash, reckless, regardless, remiss, senseless, silly, stupid, undiscerning, unheeding, unmindful, unreasonable, unreasoning, unreflective, unthinking, vacuous, witless |
Antonyms: |
attentive, heeding, mindful, observant, thoughtful |
| Main Entry: | unguarded |
| Part of Speech: | adjective |
| Definition: | thoughtless; unwary |
Synonyms: |
accessible, artless, candid, careless, casual, direct, foolhardy, frank, headlong, heedless, honest, ill-considered, impolitic, imprudent, impulsive, incautious, indiscreet, ingenuous, naive, offhand, rash, spontaneous, straightforward, unalert, uncircumspect, unconscious, undiplomatic, unpremeditated, unreflective, unthinking, unvigilant, unwatchful, unwise, vulnerable, weak |
Antonyms: |
careful, cautious, thoughtful |