exaspérant, énervant
It was infuriating.
C'était exaspérant.
— Incendies (2010)
You are so infuriating.
Tu es tellement exaspérant.
— Dead Poets Society (1989)
How infuriating!
Comme c'est exaspérant !
— The Tale of The Princess Kaguya (2013)
Knox, you are so infuriating!
Knox, tu es tellement exaspérant !
It's really infuriating.
C’est vraiment exaspérant.
Isn't it infuriating?
Ce n’est pas exaspérant ?