| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | accidental |
| Synonyms: | careless, chance, feckless, heedless, irreflective, negligent, not on purpose, reckless, thoughtless, uncaring, unconcerned, undesigned, undevised, unheeding, unintended, unintentional, unmindful, unplanned, unpremeditated, unthinking, unthought, unwitting |
| Antonyms: | advertent, attentive, deliberate, intentional, planned |
| Main Entry: | careless |
| Part of Speech: | adjective |
| Definition: | without sufficient attention |
| Synonyms: | absent-minded, abstracted, casual, cursory, disregardful, forgetful, hasty, heedless, improvident, imprudent, inaccurate, inadvertent, incautious, inconsiderate, indifferent, indiscreet, indolent, injudicious, irresponsible, lackadaisical, lax, loose, mindless, napping, negligent, nonchalant, oblivious, offhand, perfunctory, pococurante, reckless, regardless, remiss, slipshod, sloppy, thoughtless, uncircumspect, unconcerned, unguarded, unheeding, unmindful, unobservant, unreflective, unthinking, wasteful |
| Notes: | carefree means free of trouble and worry and care while careless means marked by lack of attention or consideration or forethought or thoroughness; not careful |
| Antonyms: | accurate, attentive, careful, cautious, concerned, mindful, painstaking, prudent, ready, thoughtful |
| Main Entry: | chance |
| Part of Speech: | adjective |
| Definition: | accidental, unforeseeable |
| Synonyms: | adventitious, at random, casual, contingent, fluky, fortuitous, fortunate, happy, inadvertent, incidental, lucky, odd, offhand, unforeseen, unintentional, unlooked for, unplanned |
| Antonyms: | designed, foreseeable, planned, understood |
| Main Entry: | heedless |
| Part of Speech: | adjective |
| Definition: | careless |
| Synonyms: | asleep at the switch, daydreaming, disregardful, fast and loose, feckless, foolhardy, goofing off, impetuous, imprudent, inadvertent, inattentive, incautious, inconsiderate, irreflective, neglectful, negligent, oblivious, out to lunch, precipitate, rash, reckless, slapdash, sloppy, thoughtless, uncaring, unmindful, unobservant, unthinking, unwary |
| Antonyms: | attentive, careful, caring, cautious, concerned, heedful, observant, thoughtful |
| Main Entry: | inattentive |
| Part of Speech: | adjective |
| Definition: | negligent, not paying attention |
| Synonyms: | absent, absentminded, apathetic, blind, bored, careless, distracted, distrait, distraught, diverted, dreamy, faraway, heedless, inadvertent, indifferent, inobservant, listless, lost*, musing, neglectful, oblivious, off-guard, out to lunch, preoccupied, rapt, regardless, remiss, removed, scatterbrained, thoughtless, unconscious, undiscerning, unheeding, unmindful, unnoticing, unobservant, unobserving, unperceiving, unthinking, unwatchful, vague |
| Antonyms: | attentive, heedful, looking, noticing, observant |
| Main Entry: | negligent |
| Part of Speech: | adjective |
| Definition: | careless, indifferent |
| Synonyms: | asleep at switch, behindhand, cursory, delinquent, derelict, discinct, disregardful, forgetful, heedless, inadvertent, inattentive, inconsiderate, incurious, lax, neglectful, nonchalant, offhand, regardless, remiss, slack, slapdash, slipshod, sloppy*, slovenly, thoughtless, unconcerned, unheedful, unmindful, unthinking |
| Notes: | neglectful means not showing due care or attention, heedless; negligent means marked by insufficient care or attention; negligible means so small as to be meaningless or insignificant |
| Antonyms: | attentive, careful, caring, mindful, successful |
| Main Entry: | regardless |
| Part of Speech: | adjective |
| Definition: | indifferent, unconcerned |
| Synonyms: | behindhand, blind, careless, coarse, crude, deaf, delinquent, derelict, disregarding, heedless, inadvertent, inattentive, inconsiderate, insensitive, lax, listless, mindless, neglectful, negligent, nonobservant, rash, reckless, remiss, rude, slack, unfeeling, unheeding, uninterested, unmindful |
| Notes: | regardless is already a negative 'without regard to; despite' - and irregardless is a redundant negative |
| Antonyms: | attentive, concerned, heedful |
| 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: | unconscious |
| Part of Speech: | adjective |
| Definition: | ignorant; automatic |
| Synonyms: | accidental, gut, inadvertent, inattentive, inherent, innate, instinctive, involuntary, latent, lost, reflex, repressed, subconscious, subliminal, suppressed, unaware, uncalculated, undeliberate, unheeding, unintended, unintentional, unmindful, unpremeditated, unrealized, unwitting |
| Antonyms: | aware, conscious, decided, intended, intentional, knowing |