prosaic

Pertaining to or having the characteristics of prose.

"The tenor of Eliot's prosaic work differs greatly from that of his poetry."

(of writing or speaking) Straightforward; matter-of-fact; lacking the feeling or elegance of poetry.

"I was simply making the prosaic point that we are running late."

(main usage, usually of writing or speaking but also figurative) Overly plain, simple or commonplace, to the point of being boring.

"His account of the incident was so prosaic that I nodded off while reading it."