d'ailleurs
B2besides, moreover, by the way
Used to add information that supports or reinforces what was just said, or to introduce a related point. Can also be used to change topic smoothly.
Usage
Often placed at the beginning of a sentence to add a complementary argument or related information. Very common in conversation to transition between related topics.
Examples
Ce restaurant est excellent. D'ailleurs, il a reçu une étoile Michelin.
This restaurant is excellent. Moreover, it received a Michelin star.
Context: Adding supporting information
Je ne veux pas sortir ce soir. D'ailleurs, je suis fatigué.
I don't want to go out tonight. Besides, I'm tired.
Context: Adding an additional reason
D'ailleurs, il faut que je te parle de quelque chose.
By the way, I need to talk to you about something.
Context: Transitioning to a related topic
Synonyms & Alternatives
Important Notes
Very common in spoken French. Can serve both to reinforce an argument and to transition smoothly between topics.