| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | tending to not remember |
| Synonyms: | absent, absent-minded, abstracted, airheaded, amnemonic, amnesic, asleep on the job, bemused, careless, distracted, dreamy, heedless, inattentive, lax, like an absent-minded professor, looking out window, mooning, moony, neglectful, negligent, nirvanic, not on the job, oblivious, out of it, out to lunch, pipe dreaming, preoccupied, remiss, slack, sloppy, unmindful, unwitting, woolgathering |
| Antonyms: | attentive, mindful, recalling, remembering, retentive |
| 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: | lax |
| Part of Speech: | adjective |
| Definition: | slack, remiss |
| Synonyms: | any way, asleep on job, behindhand, broad, careless, casual, delinquent, derelict, devil-may-care, disregardful, easygoing, flaccid, forgetful, general, imprecise, inaccurate, indefinite, indifferent, inexact, lenient, neglectful, negligent, nonspecific, oblivious, overindulgent, paying no mind, regardless, shapeless, slipshod, sloppy, soft, unmindful, vague, yielding |
| Antonyms: | hard, rigid, strict, tight |
| Main Entry: | mindless |
| Part of Speech: | adjective |
| Definition: | oblivious, stupid; automatic |
| Synonyms: | asinine, brutish, careless, daydreaming, foolish, forgetful, gratuitous, heedless, idiotic, imbecilic, inattentive, mooning, moony, moronic, neglectful, negligent, nitwitted, obtuse, out, out of it, rash, senseless, silly, simple, spaced-out, thoughtless, unaware, unintelligent, unmindful, unthinking, witless |
| Antonyms: | intelligent, mindful, thinking, thoughtful |
| 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: | oblivious |
| Part of Speech: | adjective |
| Definition: | unaware, ignorant |
| Synonyms: | absent, absentminded, absorbed, abstracted, amnesic, blind*, blundering, careless, deaf, disregardful, distracted, dreamy, forgetful, forgetting, gone, heedless, inattentive, incognizant, inconversant, insensible, neglectful, negligent, not all there, out to lunch, overlooking, preoccupied, regardless, spacey, strung out, unacquainted, unconcerned, unconscious, undiscerning, unfamiliar, uninformed, uninstructed, unknowing, unmindful, unnoticing, unobservant, unrecognizing, unwitting, zonked |
| Notes: | oblivious means lacking all memory or lacking active conscious awareness or knowledge, while obvious means easily perceived or understood |
| Antonyms: | aware, concerned, conscious, mindful, sensitive, understanding |
| Main Entry: | preoccupied |
| Part of Speech: | adjective |
| Definition: | busy; mentally caught up in something |
| Synonyms: | absent, absent-minded, absorbed, abstracted, airheaded, asleep, bemused, bugged, daydreaming, deep*, distracted, distrait, engaged, engrossed, faraway, fascinated, forgetful, have on the brain, heedless, hung up, immersed, inconscient, intent, lost, lost in thought, mooning, moony, oblivious, obsessed, rapt, removed, spellbound, spread out, taken up, unaware, woolgathering, wrapped-up |
| Notes: | occupied means in use or seized and controlled as by military invasion; preoccupied means deeply absorbed in thought or having compulsive concern with something |
| Antonyms: | observant, thoughtful, unoccupied |
| Main Entry: | remiss |
| Part of Speech: | adjective |
| Definition: | careless, thoughtless |
| Synonyms: | any old way, any which way, asleep at switch, asleep on job, behindhand, culpable, daydreaming, defaultant, delinquent, derelict, dilatory, disregardful, fainéant, forgetful, heedless, inattentive, indifferent, indolent, lackadaisical, lax, lazy, neglectful, negligent, regardless, slack, slapdash, slipshod, sloppy, slothful, slow, tardy, uninterested, unmindful, woolgathering |
| Antonyms: | careful, mindful, scrupulous, thorough, thoughtful |
| Main Entry: | scatterbrained |
| Part of Speech: | adjective |
| Definition: | not thinking clearly |
| Synonyms: | birdbrained, careless, dizzy, empty-headed, featherbrained, flighty, forgetful, frivolous, giddy, harebrained, illogical, inattentive, irrational, irresponsible, madcap, silly, slaphappy, stupid, thoughtless |
| Antonyms: | aware, careful, sensible, thoughtful |