Instant (Noun)
Meaning 1
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".
Classification
Nouns denoting time and temporal relations.
Synonyms
Hypernyms
Meaning 2
A particular point in time; "the moment he arrived the party began".
Classification
Nouns denoting time and temporal relations.