Regrettably

Regrettably, the project was not completed on time due to unforeseen circumstances.

Regrettably, the team had to forfeit the game due to an injured player.

Regrettably, he had to put his dog up for adoption as he was moving overseas.

Regrettably, the team lost the game despite their efforts.

I regrettably hurt your feelings with my words, and I'm sorry.

Regrettably, the concert was canceled at the last minute.

Regrettably, the concert was canceled due to the bad weather.

Regrettably, I forgot my wallet at home and cannot pay for this.

Regrettably, the company has decided to downsize and let go of several employees.

Regrettably, we have to reduce your salary due to the company's budget cuts.

Regrettably, I forgot to pick up my sister from the airport.

Regrettably, the flight got cancelled due to technical issues.

Regrettably, the store is out of stock of the item you wanted to buy.

Regrettably, the environmental damage caused by the oil spill is irreversible.

Regrettably, the disease has spread rapidly despite efforts to contain it.

Regrettably, the team lost the championship game by a narrow margin.

Regrettably, I forgot to bring the book you loaned me.

I regrettably cancelled our dinner plans, but I promise to make it up to you.

Regrettably, the car broke down in the middle of the highway.

Regrettably, the peace talks between the two countries have collapsed.

Regrettably, I left my phone at home and couldn't take any pictures.

Regrettably, I spilled coffee on my shirt this morning.

I regrettably didn't finish the project on time, but I'll work harder next time.

Regrettably, we must inform you that your application has been denied.

Regrettably, I cannot return the item as I have lost the receipt.

Regrettably, the movie turned out to be a disappointment.

Regrettably, I forgot to save the document before closing the program.

Regrettably, I forgot to bring my umbrella and got caught in the rain.

Regrettably, the store was closed when I got there.

Regrettably, the company's profits have decreased for the third consecutive quarter.