unrealism

From un- (“not”) +‎ realism.

unrealism (countable and uncountable, plural unrealisms)

1. Unrealisticness.
   • 1999, David Matthews, Making of Middle English:

     Even the most sympathetic scholars of Middle English found it hard to forgive romance authors for this reckless melange; most felt the need to explain away the unrealisms.

   • 2012, Clive Fencott, Game Invaders:

     It is exactly these “other” meanings, connotations, that POs are designed to allow us to consider, but before talking specifically about POs let's think a little about what Poole calls “unrealisms” [...]

• uncanny valley

• Lemurians, Rumelians, linear sum, semilunar