Definition of instancy in English:

instancy

noun

Archaic
  • [mass noun] Urgency.

    ‘he told his servants to press the message with greater instancy’
    • ‘While the instancy of their debut EP escaped the huddled domain of the keen-eyed talent spotters and marked them out as one of Britain's brightest hopes, To You The First Star takes patience.’
    • ‘But more than this, the whole efficiency paradigm has brought with it, or at the very least reflects, the ideology of instancy: rapid, continuous, updatable access with its commensurate faith in staying connected and contemporary.’

Origin

Early 16th century: from Latin instantia (see instance).

Pronunciation:

instancy

/ˈɪnst(ə)nsi/