American English

Definition of regrettable adjective from the Oxford Advanced American Dictionary



regrettable (that…)
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that you are sorry about and wish had not happened It is regrettable that the police were not informed sooner. The loss of jobs is highly regrettable. a regrettable incident
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adverb Regrettably, crime has been increasing in this area. This fine restaurant has, regrettably, gone out of business. There is regrettably little evidence to support this argument. Which Word?regrettably / regretfully Regrettably is used as a sentence adverb to show that you are sorry about something and wish the situation were different:Regrettably, some jobs will be lost. Regretfully can be used in the same way, but is more frequently used to mean “in a way that shows you are sad or disappointed about something”:He sighed regretfully.
See the Oxford Advanced Learner's Dictionary entry: regrettable