Lack of attention and due care.

synonym: disregard.

Roget 674: non-preparation, absence of preparation, want of preparation; inculture^†, inconcoction^†, improvidence.    immaturity, crudity; rawness etc. adj.; abortion; disqualification.    [Absence of art] nature, state of nature; virgin soil, unweeded garden; neglect etc. 460.    rough copy etc. (plan) 626; germ etc. 153; raw material etc. 635.    improvisation etc. (impulse) 612.    ... show more

Roget 681: inaction, passiveness, abstinence from action; noninterference, nonintervention; Fabian policy, conservative policy; neglect etc. 460.    inactivity etc. 683; rest etc. (repose) 687; quiescence etc. 265; want of occupation, inoccupation^†; idle hours, time hanging on one's hands, dolce far niente [It]; sinecure, featherbed, featherbedding, cushy job, no-show job; soft snap, soft thing.    ... show more

Roget 773: nonobservance etc. 772; evasion, inobservance, failure, omission, neglect, laches [Law], laxity, informality.    infringement, infraction; violation, transgression; piracy.    retraction, retractation^†, repudiation, nullification; protest; forfeiture.    lawlessness; disobedience etc. 742; bad faith etc. 940.    ... show more

Roget 927: dereliction of duty; fault etc. (guilt) 947; sin etc. (vice) 945; non-observance, non-performance; neglect, relaxation, infraction, violation, transgression, failure, evasion; dead letter.    ... show more

Roget 929: disrespect, disesteem, disestimation^†; disparagement etc. (dispraise) 932, (detraction) 934.    irreverence; slight, neglect, spretae injuria formae [Lat.] [Vergil], superciliousness etc. (contempt) 930.    vilipendency^†, vilification, contumely, affront, dishonor, insult, indignity, outrage, discourtesy etc. 895; practical joking; scurrility, scoffing, sibilance, hissing, sibilation; irrision^†; derision; mockery; irony etc. (ridicule) 856; sarcasm.    hiss, hoot, boo, gibe, flout, jeer, scoff, gleek^†, taunt, sneer, quip, fling, wipe, slap in the face.    ... show more

The state of something that has been unused and neglected:
— The house was in a terrible state of neglect.

synonym: disuse.

Dutch: verwaarlozing, onbruik

Willful lack of care and attention.

synonym: disregard.

Dutch: nalatigheid, omissie, verzuim
Polish: zlekceważenie, zignorowanie, zbagatelizowanie

The trait of neglecting responsibilities and lacking concern.

synonyms: neglectfulness, negligence.

Polish: niedbałość, nieobowiązkowość, niedbalstwo

Failure to act with the prudence that a reasonable person would exercise under the same circumstances.

synonyms: carelessness, negligence, nonperformance.

Roget 730: noncompletion, nonfulfillment; shortcoming etc. 304; incompleteness etc. 53; drawn battle, drawn game; work of Penelope.    nonperformance, inexecution^†; neglect etc. 460.    ... show more

Roget 460: neglect; carelessness etc. adj.; trifling etc. v.; negligence; omission, oversight, laches [Law], default; supineness etc. (inactivity) 683; inattention etc. 458; nonchalance etc. (insensibility) 823; imprudence, recklessness etc. 863; slovenliness etc. (disorder) 59, (dirt) 653; improvidence etc. 674; noncompletion etc. 730; inexactness etc. (error) 495.    paralipsis, paralepsis, paraleipsis (in rhetoric). trifler, waiter on Providence; Micawber.    ... show more

Dutch: nalatigheid, achteloosheid, verwaarlozing
Polish: uchybienie

Leave undone or leave out.

synonyms: drop, leave out, miss, omit, overleap, overlook, pretermit.

Roget 53: be incomplete etc. adj.; fall short of etc. 304; lack etc. (be insufficient) 640; neglect etc. 460.   

Roget 460: be negligent etc. adj.; take no care of etc. (take care of) etc. 459; neglect; let slip, let go; lay aside, set aside, cst aside, put aside; keep out of sight, put out of sight; lose sight of.    overlook, disregard; pass over, pas by; let pass; blink; wink at, connive at; gloss over; take no note of, take no thought of, take no account of, take no notice of; pay no regard to; laisser aller [Fr.].    scamp; trifle, fribble^†; do by halves; cut; slight etc. (despise) 930; play with, trifle with; slur, skim, skim the surface; effleurer [Fr.]; take a cursory view of etc. 457.    slur over, skip over, jump over, slip over; pretermit^†, miss, skip, jump, omit, give the go-by to, push aside, pigeonhole, shelve, sink; table [Parl.]; ignore, shut one's eyes to, refuse to hear, turn a deaf ear to; leave out of one's calculation; not attend to etc. 457, not mind; not trouble oneself about, not trouble one's head about, not trouble oneself with; forget etc. 506; be caught napping etc. (not expect) 508; leave a loose thread; let the grass grow under one's feet.    render neglectful etc. adj.; put off one's guard, throw off one's guard; distract, divert.    ... show more

Roget 483: underrate, underestimate, undervalue, underreckon^†; depreciate; disparage etc. (detract) 934; not do justice to; misprize, disprize; ridicule etc. 856; slight etc. (despise) 930; neglect etc. 460; slur over.    make light of, make little of, make nothing of, make no account of; belittle; minimize, think nothing of; set no store by, set at naught; shake off as dewdrops from the lion's mane.    ... show more

Roget 678: not use; do without, dispense with, let alone, not touch, forbear, abstain, spare, waive, neglect; keep back, reserve.    lay up, lay by, lay on the shelf, keep on the shelf, lay up in ordinary; lay up in a napkin; shelve; set aside, put aside, lay aside; disuse, leave off, have done with; supersede; discard etc. (eject) 297; dismiss, give warning.    throw aside etc. (relinquish) 782; make away with etc. (destroy) 162; cast overboard, heave overboard, throw overboard; cast to the dogs, cast to the winds; dismantle etc. (Render useless) 645.    lie unemployed, remain unemployed etc. adj. ... show more

Roget 730: not complete etc. 729; leave unfinished etc. adj., leave undone, drop, put down; neglect etc. 460; let alone, let slip; lose sight of (forget) 506.    fall short of etc. 304; do things by halves, parboil, scotch the snake not lull it; hang fire; be slow to; collapse etc. 304.    drop out.    ... show more

Roget 773: fail, neglect, omit, elude, evade, give the go-by to, set aside, ignore; shut one's eyes to, close one's eyes to.    infringe, transgress, violate, pirate, break, trample under foot, do violence to, drive a coach and six through.    discard, protest, repudiate, fling to the winds, set at naught, nullify, declare null and void; cancel etc. (wipe off) 552.    retract, go back from, be off, forfeit, go from one's word, palter; stretch a point, strain a point.    ... show more

Roget 55: be excluded from &c.; exclude, bar; leave out, shut out, bar out; reject, repudiate, blackball; lay apart, put apart, set apart, lay aside, put aside; relegate, segregate; throw overboard; strike off, strike out; neglect etc. 460; banish etc. (seclude) 893; separate etc. (disjoin) 44.    pass over, omit; garble; eliminate, weed, winnow.    ... show more

Dutch: verwaarlozen, weglaten, overslaan, overspringen, skippen

Fail to do something; leave something undone.

synonym: fail.

Roget 927: violate; break, break through; infringe; set aside, set at naught; encroach upon, trench upon; trample on, trample under foot; slight, neglect, evade, renounce, forswear, repudiate; wash one's hands of; escape, transgress, fail.    call to account etc. (disapprobation) 932.    ... show more

Dutch: verwaarlozen

Fail to attend to.

Dutch: verwaarlozen, verzuimen, versloffen, verslonzen

Give little or no attention to.

synonyms: disregard, ignore.