This is the 4783rd most frequent Portuguese word.
estrangeira
"Estrangeira" means "foreign" or "foreigner" (feminine form).
Used as an adjective to describe 'línguas', meaning 'foreign'.
Eu gosto de aprender línguas estrangeiras.
I like learning foreign languages.
Used as an adjective to describe 'estudante', indicating a person from another country.
Ela é uma estudante estrangeira na nossa turma.
She is a foreign student in our class.
Used as an adjective to describe 'cultura', referring to culture from another country or region.