WordvieillirMeaningto agePart of speechverbPronunciationCourseFrenchLessonFuture sequence of eventsUsages of vieillirQuand la population urbaine aura vieilli, elle diminuera.When the urban population has aged, it will decrease.Cependant, quand la population rurale aura vieilli, la jeune génération partira.However, when the rural population has aged, the young generation will leave.