Meaning of instant

Definition of instant

(adj) occurring with no delay; "relief was instantaneous"; "instant gratification"
in or of the present month; "your letter of the 10th inst"
demanding attention; "clamant needs"; "a crying need"; "regarded literary questions as exigent and momentous"- H.L.Mencken; "insistent hunger"; "an instant need"
(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"
a particular point in time; "the moment he arrived the party began"

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