Prosaism

(n.) That which is in the form of prose writing; a prosaic manner.

Thesaurus Entries

banalness, bromide, chestnut, cliche, commonness, commonplace, commonplace expression, commonplaceness, corn, corniness, familiar tune, familiarness, fustiness, hackneyed saying, hackneyedness, lieu commun, locus communis, mustiness, old joke, old saw, old song, old story, platitude, platitudinousness, prosaicism, prosaism, prose, reiteration, retold story, rubber stamp, shibboleth, squareness, staleness, stereotyped saying, tag, trite saying, triteness, triticism, truism, twice-told tale, unoriginality