This is the 8088th most frequent Spanish word.
noble
"Honorable, dignified, or of high moral character; also, of aristocratic rank or lineage."
In this sentence, 'noble' is used as a noun referring to a person of aristocracy or high social status.
El caballero era un noble de alto rango.
The knight was a noble of high rank.
In this sentence, 'noble' is an adjective describing an admirable quality or action.
Fue un gesto noble ayudar a los necesitados.
It was a noble gesture to help those in need.
In this sentence, 'noble' is an adjective describing high-quality material.