Fidèle (en. Faithful)
[fi.dɛl]
Slang Meanings
To be hooked on someone.
He is so faithful to his girlfriend, he doesn't even look at others.
Il est tellement fidèle à sa copine, il ne regarde même pas les autres.
Not to cheat on someone.
He's a faithful guy, he would never do that.
C'est un gars fidèle, il ne ferait jamais ça.