[{"Bold_text": "verb (used with object)", "List Items": ["to feel sorrow or remorse for (an act, fault, disappointment, etc.):He no sooner spoke than he regretted it.Synonyms: grieve , sorrow , mourn , bemoan , bewail , lament , deplore Antonyms: rejoice", "to think of with a sense of loss:to regret one's vanished youth."]}, {"Bold_text": "noun", "List Items": ["a sense of loss, disappointment, dissatisfaction, etc.", "a feeling of sorrow or remorse for a fault, act, loss, disappointment, etc.Antonyms: joy", "regrets,a polite, usually formal refusal of an invitation:I sent her my regrets.", "a note expressing regret at one's inability to accept an invitation:I have had four acceptances and one regret."]}]