prosaicism

From prosaic +‎ -ism.

prosaicism (countable and uncountable, plural prosaicisms)

1. The quality or state of being prosaic; a prosaic manner or style.
   • 1844, Edgar Allan Poe, Marginalia:

     Through this species of prosaicism, Cowper, with scarcely one of the higher poetical elements, came very near making his age fancy him the equal of Pope […]

• micropsias