unliterary
1. [ adjective ] marked by lack of affectation or pedantry
Synonyms: nonliterary
Examples:

"her talk was very unliterary"- W.D.Howells

Related terms: informal
Similar spelling:   unalterably
  unilaterally
  unaltered
  unlittered
  unilateral
  unmilitary
  unalterable
  unwieldy
  unilateralist
  unilateralism