Definitions:

1. Refers to the quality or state of being urgent or immediate. NOUN
   • His tone conveyed the instancy of the matter, urging everyone to prioritize it above all else.
2. The act of happening immediately. NOUN
   • Modern technology allows us to communicate with astonishing instancy.
3. Used to emphasize the pressing nature of a situation or the need for swift action. NOUN
   • Recognizing the instancy of the environmental threat, the organization mobilized all available resources.

Synonyms:

• exigency
• immediacy
• imperativeness
• pressing need
• promptness
• urgency