v. 1 rue, mourn, lament, bemoan, bewail, repent, be or feel sorry for, feel remorse for, feel or be remorseful over, be or feel upset, never forgive oneself, deplore, deprecate, weep or cry over You will regret speaking to me that way! The management regrets any inconvenience caused by the redecoration of the restaurant
n. 2 Sometimes, regrets. repentance, guilt, sorrow, disappointment, contrition, remorse, regretfulness, (pang or pangs of) conscience, self-reproach, self-condemnation, qualm, second thoughts, rue, ruefulness, grief, woe, sadness, mournfulness, Literary dolour He felt no regret for his evil deeds Do you ever have any regrets over the way you treated him? 3 regrets. refusal, non-acceptance, non-consent, US turn-down Thank you for the invitation, but I must tender my regrets