Crossword Genius

Person regularly left off society A-list? (8)

Ross

I believe the answer is:

prosaist

(Another definition for prosaist that I've seen is " Dull writer".)

I've seen this clue in The Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.