Pegboard (9)

I believe the answer is:

solitaire

(Other definitions for solitaire that I've seen before include "Gem set by itself" , "Card game for one player" , "thrush" , "Patience game" , "Patience of Americans" .)

I've seen this clue in The Mirror.

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.