to swear (an oath); to vow, to swear; to curse; to use swear words, to be incompatible; to clash (not go together)
Elle m'a fait jurer de ne rien dire.
She made me swear not to say anything.
— Manon des sources (1986)
Il m'a fait jurer de ne pas lui dire.
He made me swear not to tell him.
He started swearing.