INSTANT
ADJECTIVES
1651 — INSTANTANEOUS occurring in an instant
1768 — COINSTANTANEOUS occurring or existing at the same instant
1795 — MOMENTLY imminent, instant → obs.
1799 — MOMENTARY instant, immediate → obs.
1911 — OVERNIGHT sudden, instant; rapid
1935 — PUSH-BUTTON easily obtainable, as at the press of a button; instant, immediate
ADVERBS
1593 — EXTEMPORE on the instant, at once → obs.
1734 — CLACK at once, on the instant → obs.
1776 — MOMENTLY at any moment, on the instant → chiefly arch.
NOUNS
1000 — HANDWHILE a moment, an instant; a little while; a short span of time → obs. exc. Sc. & Eng. dial.
1000 — PRINK a blink or twinkling of the eye; a moment, an instant → obs.
1000 — PUNCT a moment, an instant → obs.
1303 — TWINKLING the time taken in winking the eye; a very brief period; a moment, an instant
1340 — PRICK an instant of time; a moment → obs.
1400 — THROW a very short period of time; an instant, a moment → obs.
1450 — WHIP the brief time taken by a sudden movement; a moment, an instant → obs. exc. Sc.
1460 — HANDLANG-WHILE a moment, an instant, a span of time → obs.
1475 — PRICK OF TIME an instant of time; a moment → obs.
..16C — PISSING-WHILE a very short time; an instant → colloq.
1500 — HANLAWHILE a short period of time; a moment, an instant → Sc.
1579 — TRICE an instant or moment → obs.
1616 — PUNTO an instant, a point in time → obs.
1620 — PUNCTILIO OF TIME a moment, an instant → obs.
1620 — PUNCTUM a very small division of time; an instant → obs.
1700 — RAP a moment, an instant → Sc. obs.
1725 — CRACK a short time; a moment; an instant → colloq.
1780 — PIG’S WHISPER a very short space of time; an instant → colloq.
1786 — BLINK an instant, a moment, a short time → Sc.
1815 — GLIFFING the time required to give a glance; an instant → Sc.
1815 — JIFFIN — JIFFING an instant or moment → Amer. dial.
1816 — GLIFF a flash, a gleam; a short space of time, an instant, a moment → obs. exc. Sc. & N. Eng. dial.
1822 — HANDCLAP a clap of the hands; the brief space of time this takes; an instant, a moment
1836 — EYEWINK an instant; a moment
1847 — POP the length of time taken by a pop; a moment, an instant → Eng. dial.
1852 — EYE-BLINK a very short period of time; an instant
1859 — PIG’S WHISTLE a very short space of time; an instant → US
1860 — HEARTBEAT a very short space of time; an instant, a moment
1870 — NEW YORK MINUTE a very short period of time; an instant → colloq., chiefly US
1879 — TICK a moment, a second, an instant → colloq.
1892 — TWO JERKS OF A LAMB’S TAIL a short period of time; an instant; a jiffy → Amer. dial.
1896 — MO a moment, an instant → Brit. colloq.
1911 — BREATHIN’ an instant of time → Sc. (Bk.)
1920 — CITY MINUTE an instant → US sl.
1986 — QUICK an instant, a moment → Amer. dial.
2000 — NEW YORK SECOND an instant → US sl.
2006 — FLASH a very short period of time; an instant → US sl. (Bk.)
PHRASES
1303 — IN THE TWINKLING OF AN EYE in an instant
1405 — AT A START in an instant, in no time → obs.
1440 — AT A TRICE in an instant → obs.
1535 — AT A POP in an instant, suddenly → obs.
1567 — AT AN INCH at any instant → obs.
1572 — AT A THOUGHT in an instant, immediately
1660 — AT THE TURNING OF A STRAW in a moment, in an instant → obs.
1688 — FOR A SUDDEN for an instant → obs.
Lexicophilia 