Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class IV. Words Relating to the Intellectual Faculties
Division (I) Formation of Ideas
Section II. Precursory Conditions and Operations

460. Neglect.

   NOUN:NEGLECT; carelessness &c. adj.; trifling &c. v.; negligence; omission, laches [obs.], deferment, procrastination, default; supineness (inactivity) [See Inactivity]; conspiracy of silence; inattention [See Inattention]; nonchalance (insensibility) [See Insensibility]; imprudence, recklessness [See Rashness]; slovenliness (disorder) [See Disorder], (dirt) [See Uncleanness]; improvidence [See Nonpreparation]; noncompletion [See Noncompletion]; inexactness (error) [See Error].
  PARALEIPSIS or paralipsis [rhet.].
  TRIFLER, waiter on Providence; Micawber; waster [colloq.], wastrel [dial. Eng.], drifter [colloq.], bum [slang, U. S.], hobo [U. S.], tramp, Knight of the Road [humorous], down-and-outer [colloq.], dead one [slang], stiff [slang], roustabout [U. S.], sundowner [Australia]; slacker.
   VERB:BE NEGLIGENT &c. adj.; take no care of &c. (take care of [See Care]); neglect; let slip, let go; lay -, set -, cast -, put- aside; keep -, leave- out of sight; lose sight of.
  DELAY, defer, procrastinate, postpone, adjourn, pigeonhole, tie up with red tape, shelve, stay, suspend, table, lay on the table.
  OVERLOOK, disregard; pass over, pass by; let pass; blink; wink at, connive at; gloss over; take no -note, – notice, – thought, – account- of; pay no regard to; laisser aller [F.].
  SCAMP; trifle, fribble; do by halves; slight (despise) [See Contempt]; play with, trifle with; slur; skimp [dial. & colloq.]; skim, – the surface; effleurer [F.]; take a cursory view of [See Attention]; slur -, slip -, skip -, jump- over; pretermit, miss, skip, jump, cut [colloq.], omit, give the go-by to [slang], push aside, throw into the background, sink.
  IGNORE, refuse to notice, shut one’s eyes to, refuse to hear, turn a deaf ear to, leave out of one’s calculation; not attend to [See Attention], not mind; not trouble -oneself, – one’s head- -with, – about; forget [See Oblivion].
  BE CAUGHT NAPPING (not expect) [See Inexpectation]; leave a loose thread; let the grass grow under one’s feet.
  RENDER NEGLECTFUL &c. adj.; put or throw off one’s guard.
   ADJECTIVE:NEGLECTING &c. v.; unmindful, negligent, neglectful; heedless, careless, thoughtless, inconsiderate; perfunctory, remiss.
  UNWARY, unwatchful, unguarded, incircumspect [rare], uncircumspect, off one’s guard, offhand.
  SUPINE (inactive) [See Inactivity]; inattentive [See Inattention]; insouciant (indifferent) [See Insensibility]; imprudent, reckless [See Rashness]; slovenly (disorderly) [See Disorder], (dirty) [See Uncleanness]; inexact (erroneous) [See Error]; improvident [See Nonpreparation].
  NEGLECTED &c. v.; unheeded, uncared for, unperceived, unseen, unobserved, unnoticed, unnoted, unmarked, unattended to, unthought of, unregarded, unremarked, unmissed; shunted, shelved.
  UNEXAMINED, unstudied, unsearched, unscanned, unweighed, unsifted, unexplored.
  ABANDONED; buried in a napkin; hid under a bushel.
   ADVERB:NEGLIGENTLY &c. adj.; hand over head [obs.], in any old way [colloq.], anyhow; in an unguarded moment (unexpectedly) [See Inexpectation]; per incuriam [L.]; when the cat is away.
   INTERJECTION:NEVER MIND, no matter, let it pass; it will be all the same a hundred years hence; mañana [Sp.].    QUOTATION:Procrastination is the thief of time.—Young