From Longman Dictionary of Contemporary Englishlamentablelam‧ent‧a‧ble /ˈlæməntəbəl, ləˈmentəbəl/ adjective formal BAD ATvery unsatisfactory or disappointing SYN terrible a lamentable state of affairs a lamentable lack of support for the idea It is lamentable that the officer failed to deal with the situation. —lamentably adverb
Examples from the Corpus
lamentable• It is lamentable that Cassidy will not get to coach his team next season.lamentable state of affairs• It is a lamentable state of affairs.