regrettably

a regrettably brief career.

Regrettably, the book is not available.

regrettably, last night's audience was a meagre one.

Regrettably, I cannot attend the meeting tomorrow.

She regrettably informed him that she would not be able to make it to the party.

Regrettably, the concert was canceled due to unforeseen circumstances.

He regrettably declined the job offer as it required too much travel.

Regrettably, the project did not meet the deadline.

She regrettably forgot to bring her passport to the airport.

Regrettably, the restaurant was fully booked for the evening.

He regrettably admitted his mistake and apologized to his colleagues.

Regrettably, the company had to downsize and lay off employees.

She regrettably missed the opportunity to study abroad due to financial constraints.