1. a card game played by one person
2. a single gem, especially a diamond, set alone in a piece of jewelry
3. a ring set with a single gem

Examples

• She played solitaire on her computer during lunch break.
• He spent hours playing solitaire with a deck of cards.
• The engagement ring featured a beautiful diamond solitaire.
• She admired the emerald solitaire in the jewelry store window.
• His grandmother’s solitaire ring was passed down through generations.
• The solitaire setting made the diamond appear larger and more brilliant.
• After dinner, they cleared the table so she could play solitaire.