Answer:

solitaire

Answer	Crossword Clue
SOLITAIRE	One's game?
SOLITAIRE	Solo pursuit
SOLITAIRE	Game for one

SOLITAIRE	Ring insert
SOLITAIRE	Singular game
SOLITAIRE	Lonely game
SOLITAIRE	Card game for one
SOLITAIRE	Lonely jewel?
SOLITAIRE	Sparkler.
SOLITAIRE	Single diamond.
SOLITAIRE	One diamond.

SOLITAIRE	A kind of ring.
SOLITAIRE	Patience or Canfield.
SOLITAIRE	Canfield
SOLITAIRE	Diamond set alone
SOLITAIRE	Game for a hermit?
SOLITAIRE	One's dealings?
SOLITAIRE	Diamond ...
SOLITAIRE	Game in which players famously cheat

SOLITAIRE	Game for the asocial
SOLITAIRE	It's set in a ring
SOLITAIRE	Gem set by itself
SOLITAIRE	Engagement ring choice
SOLITAIRE	PC diversion
SOLITAIRE	Set by itself, as a diamond
SOLITAIRE	Patience, stateside