estelar

Estelar is an adjective in Spanish that means related to stars or to stars as a category. It derives from the noun estrella (star) and is formed with the suffix -ar, following normal Spanish adjective patterns. In scientific and astronomical contexts, estelar describes properties or phenomena associated with stars, such as atmósfera estelar (stellar atmosphere), luminosidad estelar (stellar luminosity), or tamaño estelar (stellar size).

In everyday language, estelar is also used metaphorically to denote outstanding quality, similar to the English word stellar. Phrases such as una actuación estelar or un rendimiento estelar are common in Spanish to praise performance or results.

The term is generally translated as "stellar" in English-language texts. While widely understood in Spanish, estelar remains primarily a technical or descriptive term in scientific contexts, and speakers often opt for more specific expressions depending on the meaning intended, whether astronomical or figurative.