Definitions
1.NounA very short period of time; a moment."She paused for only an instant, which was just enough time for John to change the subject."
2.NounA single, usually precise, point in time."The instant the alarm went off, he fled the building."
3.NounA beverage or food which has been pre-processed to reduce preparation time, especially instant coffee.
4.NounEllipsis of instant camera.
5.AdjectiveImpending; imminent.
6.AdjectiveUrgent; pressing; acute.
7.AdjectiveInsistent; persistent.
8.AdjectivePresent; current; extant.
9.AdjectiveOccurring immediately; immediate; present.
10.AdjectiveLasting for a short moment; momentary; short-lived.
11.AdjectiveVery quickly and easily prepared."instant coffee; instant noodles; instant mashed potato; instant photo"
12.AdjectiveOf the current month."I refer to your letter of the 16th instant in regard to traffic disruption."
13.AdverbAt once; immediately.
14.VerbTo urge, press (someone); to insist on, demand (something).