nonstyle

noun

1. (countable, uncountable)That which is not a style; lack of style.

   “Despite the findings of recent critics, who have taken issue with the word, disputing its appropriateness to realism, this perception of the characteristic style of realism as a nonstyle has nevertheless been hard to dislodge.”

   “Dada and Surrealism and other nonstyles”

   “His nonstyle is painfully evident when he is less than inspired: the "Faust" overture: empty bombast; the Wesendonck-Lieder: empty sentimentality.”

   “A laissez-faire style, characterized by passive indifference about the task and subordinates, is essentially a nonstyle.”

   “The novel reveals its contradictory theory of representation when the narrator, describing the young Evadne's notebook, praises its style as a nonstyle[…]”