solitario

Solitario is a Spanish term with multiple related meanings. As an adjective, it denotes a person or thing that is alone or isolated. The word derives from Latin solitarius, from solus meaning "alone." It has gendered forms solitario (masc.) and solitaria (fem.), and is used to describe solitude or singularity in objects, lifestyles, or phenomena.

In jewelry, solitario refers to a single gemstone set by itself, typically a diamond, used in rings or other pieces. The phrase anillo solitario denotes a solitaire ring.

In gaming, solitario is the standard Spanish name for single-player card games in the Solitaire family. The best-known variant is Klondike, but many versions exist. In computer software and online games, solitario is commonly presented as a solo puzzle where the player aims to arrange cards on foundation piles by suit from ace to king, or to clear the tableau.

Beyond these uses, solitario can describe solitary lifestyles or figures in cultural or literary contexts.