re•gret/rɪˈgrɛt/USA pronunciationv.,-gret•ted, -gret•ting,n. v.
to feel sorrow or remorse for (an act, fault, event, etc.): [~ + object]said he did not regret his decision to retire.[~ + verb-ing]The thief said he regretted stealing the money.[~ + (that) clause]He regrets that he cannot be here in person tonight.
(used in the present tense to express sorrow):[not: be + ~-ing; ~ + to + verb]We regret to inform you that the train will be late.
a feeling of sorrow, unhappiness, or guilt for a fault, wrong act, a loss, etc.: [uncountable]a sudden pang of regret.[countable]had no regrets.
regrets,[plural] a polite, usually formal refusal of an invitation:sent my regrets.
to feel sorrow or remorse for (an act, fault, disappointment, etc.):He no sooner spoke than he regretted it.
to think of with a sense of loss:to regret one's vanished youth.
a sense of loss, disappointment, dissatisfaction, etc.
a feeling of sorrow or remorse for a fault, act, loss, disappointment, etc.
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.
Gmc (compare greet2)
Middle French regreter, Old French, equivalent. to re-re- + -greter, perh.
Middle English regretten (verb, verbal) 1300–50
1.See corresponding entry in Unabridged deplore, lament, bewail, bemoan, mourn, sorrow, grieve. Regret,penitence,remorse imply a sense of sorrow about events in the past, usually wrongs committed or errors made. Regret is distress of mind, sorrow for what has been done or failed to be done:to have no regrets.Penitence implies a sense of sin or misdoing, a feeling of contrition and determination not to sin again:a humble sense of penitence.Remorse implies pangs, qualms of conscience, a sense of guilt, regret, and repentance for sins committed, wrongs done, or duty not performed:a deep sense of remorse.
(may take a clause as object or an infinitive) to feel sorry, repentant, or upset about
to bemoan or grieve the death or loss of
a sense of repentance, guilt, or sorrow, as over some wrong done or an unfulfilled ambition
a sense of loss or grief
(plural) a polite expression of sadness, esp in a formal refusal of an invitation
Etymology: 14th Century: from Old French regrete, of Scandinavian origin; compare Old Norse grāta to weep
reˈgretfuladjreˈgretfullyadvreˈgretfulnessnreˈgrettableadjreˈgrettablyadvUSAGE Regretful and regretfully are sometimes wrongly used where regrettable and regrettably are meant: he gave a regretful smile; he smiled regretfully; this is a regrettable (not regretful) mistake; regrettably (not regretfully), I shall be unable to attend