Breakdown of Depuis la dispute, ils ne se parlent plus.
Questions & Answers about Depuis la dispute, ils ne se parlent plus.
Depuis means since here. It gives the starting point of a situation that began in the past and is still true now.
So Depuis la dispute means since the argument.
This is a little different from après:
- Après la dispute = after the argument
- Depuis la dispute = since the argument, from then until now
The sentence is about an ongoing situation, so depuis is the natural choice.