General meaning:
* Ennuyeux (m) / Ennuyeuse (f) - This is the most common and general translation of "boring." It emphasizes the feeling of boredom itself.
* Répétitif (m) / Répétitive (f) - This translation refers to something that is repetitive and monotonous.
* Fatiguant (m) / Fatigante (f) - This term means "tiring" and can also be used for something boring if it's causing you weariness.
More specific meanings:
* Sombre (m) / Sombre (f) - This can be used for something boring and depressing.
* Plate (f) - This means "flat" and can be used for something boring and lacking interest.
* Sans-intérêt (m) / Sans-intérêt (f) - This means "without interest" and highlights the lack of excitement.
The best translation depends on the situation. For example:
* "The movie was ennuyeux." (The movie was boring.)
* "His job is répétitif." (His job is repetitive.)
* "This lecture is fatiguant." (This lecture is tiring.)
* "The music is sombre." (The music is depressing.)
* "The food was plate." (The food was bland.)
* "The conversation was sans-intérêt." (The conversation was uninteresting.)
Keep in mind that these are just a few examples, and the best translation will always depend on the specific context.