Definition of "prosaic"

prosaic

/pɹəʊˈzeɪ.ɪk/

adjective
comparative more prosaic, superlative most prosaic
1. Pertaining to or having the characteristics of prose.
2. (of writing or speaking) Straightforward; matter-of-fact; lacking the feeling or elegance of poetry.
3. (main usage, usually of writing or speaking but also figurative) Overly plain, simple or commonplace, to the point of being boring.
  Quotations
  Our people are the most prosaic in the world, but the most faithful; and with curious reverence we keep up and transmit, from generation to generation, the superstition of what we call the education of a gentleman.
  1848 November – 1850 December, William Makepeace Thackeray, chapter 3, in The History of Pendennis. […], volumes (please specify |volume=I or II), London: Bradbury and Evans, […], published 1849–1850
  Their steepness and abruptness were even greater than I had imagined from hearsay, and suggested nothing in common with the prosaic objective world we know.
  1931, H. P. Lovecraft, chapter 6, in The Whisperer in Darkness
  Ultimately, though, the more prosaic goals carried the greater significance in this contest. Madrid have managed only one clean sheet on their way to winning this competition.
  2017 June 3, Daniel Taylor, “Real Madrid win Champions League as Cristiano Ronaldo double defeats Juv”, in The Guardian (London)‎