unpossibility

English

Etymology

From un- +‎ possibility.

Noun

unpossibility (countable and uncountable, plural unpossibilities)

1. (now rare) Impossibility.
   • 1835, Edgar Allan Poe, King Pest:

     ‘It would be a matter of utter unpossibility,’ replied Legs, […] ‘to stow away in my hold even one-fourth part of that same liquor which your majesty has just mentioned.’