apto

Apto is a Spanish adjective meaning fit, suitable, or qualified. It is used to indicate that a person, object, or proposition meets the required criteria for a given role or purpose. The masculine form is apto, the feminine apta, and the plural aptos (masculine) or aptas (feminine). Its etymology traces to Latin aptus, meaning "fit" or "appropriate."

In modern Spanish, apto is commonly used with ser to express eligibility or inherent suitability, or with para to denote suitability for a particular task or standard. For example, one might say someone es apto para el puesto (is suitable for the position) or un equipo apto para actividades extremas (an equipment suitable for extreme activities). It can also appear with estar to indicate being currently in a suitable condition, though ser is more typical when referring to qualifications or general suitability.

In administrative and legal language, apto often appears in phrases like requisitos aptos or persona apta to indicate compliance with criteria or assessment standards. The related noun aptitud refers to natural ability or readiness, and related terms include adecuación and capacidad.

APTO may also occur as an acronym or proper name in specific organizations or programs, where its meaning depends on the particular context. If a specific usage or expansion is sought, providing the context or domain will help identify the precise interpretation.

See also: aptitud, adecuado, capacidad, elegibilidad.