John has no regrets about leaving academia and starting his own company.
To her regret, the opera singer had to decline the engagement because of illness.
She had few regrets selling the old house.
WordNet 3.0 Sense Numbers: 1
NOTE: usually in the plural
Mary sends her regrets that she cannot attend today's meeting.
Please give your grandmother my regrets.
So far we have forty-two acceptances and six regrets for the wedding reception.
WordNet 0.0 Sense Numbers: 1b