volontaire, facultatif
And also, voluntary.
Et aussi, volontaire.
— The Conformist (1971)
Attendance is voluntary.
La présence est facultative.
— The Wave (2008)
That organization depends on voluntary contributions.
Cette organisation dépend des contributions volontaires.
Voluntary agency.
Organisme bénévole.
You said it's voluntary!
Tu as dit que c’était volontaire !
— The Experiment (2001)
Voluntary simplicity.
La simplicité volontaire.
— The Barbarian Invasions (2003)
My retirement wasn't exactly voluntary.
Ma retraite n’était pas vraiment volontaire.
— One Mile: Chapter One (2026)