| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | careless, failing |
| Synonyms: | behindhand, delinquent, derelict, disregardful, heedless, inattentive, indifferent, lax, lazy, negligent, regardless, remiss, slack, thoughtless, uncaring, unmindful |
| 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: | delinquent |
| Part of Speech: | adjective |
| Definition: | irresponsible, defaulting |
| Synonyms: | behind, blamable, blameworthy, careless, censurable, criminal, culpable, defaultant, derelict, disregardful, faulty, guilty, lax, neglectful, negligent, offending, overdue, procrastinating, red-handed, remiss, reprehensible, shabby, slack, tardy, unpaid |
| Antonyms: | behaving, careful, responsible |
| Main Entry: | dilatory |
| Part of Speech: | adjective |
| Definition: | procrastinating |
| Synonyms: | backward, behindhand, dallying, delaying, deliberate, laggard, late, lax, lazy, leisurely, lingering, loitering, moratory, neglectful, negligent, putting off, remiss, slack, slow, sluggish, snail-like, tardy, tarrying, time-wasting, unhasty, unhurried |
| Antonyms: | diligent, eager, enthusiastic, hard-working, ready, zealous |
| Main Entry: | forgetful |
| 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: | 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: | incautious |
| Part of Speech: | adjective |
| Definition: | not careful |
| Synonyms: | any old way, bold, brash, careless, caught napping, devil-may-care, fast-and-loose, foot-in-mouth, hasty, heedless, hotheaded, ill-advised, ill-judged, impetuous, improvident, imprudent, impulsive, inconsiderate, indiscreet, injudicious, madcap, neglectful, negligent, off guard, pay no mind, playing with fire, precipitate, rash, reckless, regardless, sticking one's neck out, thoughtless, unalert, unguarded, unmindful, unthinking, unvigilant, unwatchful, wary, wide open |
| Antonyms: | careful, cautious, discreet, 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: | lazy |
| Part of Speech: | adjective |
| Definition: | inactive, sluggish |
| Synonyms: | apathetic, asleep on the job, careless, comatose, dallying, dilatory, drowsy, dull, flagging, idle, inattentive, indifferent, indolent, inert, lackadaisical, laggard, lagging, languid, languorous, lethargic, lifeless, loafing, neglectful, out of it, passive, procrastinating, remiss, shiftless, slack, sleepy, slothful, slow, slow-moving, snoozy, somnolent, supine, tardy, tired, torpid, trifling, unconcerned, unenergetic, unindustrious, unpersevering, unready, weary |
| Antonyms: | active, diligent, energetic, hard-working, industrious, lively |