regrettable

Universal Words adjective ~ (that...) 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 regrettably 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.