Formal:
* Très stressant: This is the most literal translation, meaning "very stressful."
* Extrêmement stressant: This emphasizes the high level of stress, meaning "extremely stressful."
* Très éprouvant: This means "very trying" and suggests a stressful situation that is also emotionally taxing.
Informal:
* Super stressant: This is a more casual way to say "very stressful."
* Stressant à mort: This is a colloquial expression meaning "stressful to death."
* Je suis à bout de nerfs: This means "I'm at the end of my rope" and implies a high level of stress.
Other options:
* Je suis sous pression: This means "I'm under pressure."
* J'ai beaucoup de pression: This means "I have a lot of pressure."
The best choice will depend on the specific situation and the level of formality desired.