Is princesse masculine or feminine in French?

La princesse. "Princesse" is feminine in French. Nouns ending in -esse are feminine.

Is princesse masculine or feminine?

laprincesse

/la pʁɛ̃sɛs/feminineprincess

The masculine form is prince

Nouns ending in -esse are feminine.

The suffix often marks an abstract quality.

100% of -esse nouns are feminine

La princesse implora le pardon de l'empereur.
The princess begged forgiveness from the emperor.
Elle a un train de vie de princesse.
She lives like a princess.
La princesse tomba amoureuse d'un prince elfe.
The princess fell in love with an Elven prince.