This is the 2197th most frequent Spanish word.
extranjera
"Extranjera" means "foreign" or "foreign woman."
Here, "extranjera" is used as an adjective describing that María is foreign or from another country.
María es una estudiante extranjera en nuestra universidad.
Maria is a foreign student at our university.
In this sentence, "extranjera" is utilized as an adjective referring to the language as being non-native or foreign.
Estoy aprendiendo una lengua extranjera en mis clases.
I am learning a foreign language in my classes.
Here, "extranjera" is used as an adjective to signify the culture as being foreign or from abroad.