From Longman Dictionary of Contemporary Englishruerue /ruː/ verb [transitive] literaryREGRET/FEEL SORRY to wish that you had not done something SYN regret She learned to rue the day she had met Henri.→ See Verb table
Examples from the Corpus
rue• As Jim Smith rued afterwards, the game was there for Portsmouth to take.• In the women's race, Joyce Smith was ruing her luck.• They never cursed the instrument or rued its long rule over their lives.• She rued the day she ever took up with Remi.• Maja Nagel rues the day when she had to leave a castle in the East for a cramped little studio in Berlin.• Why do I already rue the day?rue the day• Why do I already rue the day?• Well, whether he was crazy or not, she'd make him rue the day he chose to cross her.• She rued the day she ever took up with Remi.• Indeed, more than one ground commander rued the day the helicopter was invented.• Maja Nagel rues the day when she had to leave a castle in the East for a cramped little studio in Berlin.Origin rue Old English hreowan 