to feel sorrow over; repent of; regret bitterly

to rue the loss of opportunities.

to wish that (something) had never been done, taken place, etc.

I rue the day he was born.

to feel sorrow, repentance, or regret.

sorrow; repentance; regret.

pity or compassion.

verb

apologize , be sorry for , cry over , deplore , feel remorse , feel sorry , grieve , kick oneself , lament , mourn , weep over , repent , afflict , anguish , bewail , compassion , dolor , grief , pity , regret , remorse , repentance , sorrow , suffer , sympathy

noun

compunction , contriteness , contrition , penitency , remorse , remorsefulness , repentance