A2 used to say that something is sad, disappointing, or has a bad effect:
More examples
- Journalists may enter the danger zone but unfortunately we cannot guarantee their safety.
- Unfortunately we can't come this evening after all.
- Unfortunately there's nothing I can do about your problem.
- We tried to get tickets, but unfortunately they were already sold out.
- Unfortunately the plane has been delayed - the new departure time is 16.20.
Thesaurus: synonyms and related words