instancy

in·stan·cy  (nstn-s)

n. pl. in·stan·cies

1. The quality or condition of being insistent; urgency.

2. Immediacy of occurrence; instantaneousness.

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instancy [ˈɪnstənsɪ]

n Rare

1. the quality of being urgent or imminent

2. instantaneousness; immediateness

Thesaurus

Noun	1.	instancy - the quickness of action or occurrence; "the immediacy of their response"; "the instancy of modern communication" immediateness, instantaneousness, immediacy celerity, rapidity, rapidness, speediness, quickness - a rate that is rapid
	2.	instancy - the quality of being insistent; "he pressed his demand with considerable instancy" imperativeness urgency - pressing importance requiring speedy action; "the urgency of his need" archaicism, archaism - the use of an archaic expression