Is belle-mère masculine or feminine?
The masculine form is beau-père
In context
Je m'entends très bien avec ma belle-mère.
I'm getting along with my mother-in-law very well.
Ma belle-mère vit dans une maison de retraite.
My mother-in-law lives in an old people's home.
La belle-mère de Sami est morte hier soir.
Sami's mother-in-law died last night.
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