1. A language spoken by a minority group within a country or region, typically having fewer speakers than the dominant or official language
Basque is a minority language in Spain.
O basco é uma língua minoritária na Espanha.
2. A language at risk of disappearing due to the dominance of larger languages and fewer speakers transmitting it to new generations
Many indigenous minority languages are endangered.
Muitas línguas minoritárias indígenas estão em perigo de extinção.