'Instant' definitions:

Definition of 'instant'

From: WordNet
adjective
Occurring with no delay; "relief was instantaneous"; "instant gratification" [syn: instantaneous, instant(a)]
adjective
In or of the present month; "your letter of the 10th inst" [syn: instant, inst]
adjective
Demanding attention; "clamant needs"; "a crying need"; "regarded literary questions as exigent and momentous"- H.L.Mencken; "insistent hunger"; "an instant need" [syn: clamant, crying, exigent, insistent, instant]
noun
A very short time (as the time it takes the eye to blink or the heart to beat); "if I had the chance I'd do it in a flash" [syn: blink of an eye, flash, heartbeat, instant, jiffy, split second, trice, twinkling, wink, New York minute]
noun
A particular point in time; "the moment he arrived the party began" [syn: moment, minute, second, instant]

Definition of 'Instant'

From: GCIDE
  • Instant \In"stant\, a. [L. instans, -antis, p. pr. of instare to stand upon, to press upon; pref. in- in, on + stare to stand: cf. F. instant. See Stand.] [1913 Webster]
  • 1. Pressing; urgent; importunate; earnest. [1913 Webster]
  • Rejoicing in hope; patient in tribulation; continuing instant in prayer. --Rom. xii. 12. [1913 Webster]
  • I am beginning to be very instant for some sort of occupation. --Carlyle. [1913 Webster]
  • 2. Closely pressing or impending in respect to time; not deferred; immediate; without delay. [1913 Webster]
  • Impending death is thine, and instant doom. --Prior. [1913 Webster]
  • 3. Present; current. [1913 Webster]
  • The instant time is always the fittest time. --Fuller. [1913 Webster]
  • Note: The word in this sense is now used only in dates, to indicate the current month; as, the tenth of July instant. [1913 Webster]

Definition of 'Instant'

From: GCIDE
  • Instant \In"stant\, adv. Instantly. [Poetic] [1913 Webster]
  • Instant he flew with hospitable haste. --Pope. [1913 Webster]

Definition of 'Instant'

From: GCIDE
  • Instant \In"stant\, n. [F. instant, fr. L. instans standing by, being near, present. See Instant, a.] [1913 Webster]
  • 1. A point in time; a moment; a portion of time too short to be estimated; also, any particular moment; as, the situation may change in an instant. [1913 Webster +PJC]
  • There is scarce an instant between their flourishing and their not being. --Hooker. [1913 Webster]
  • 2. A day of the present or current month; as, the sixth instant; -- an elliptical expression equivalent to the sixth of the month instant, i. e., the current month. See Instant, a., 3.
  • Syn: Moment; flash; second. [1913 Webster]

Synonyms of 'instant'

From: Moby Thesaurus