DictionaryremorseGuilt for wrongdoing
noun

remorse

rih-MORS/rɪˈmɔːrs/

Deep regret or guilt for something wrong one has done.

His remorse shows as he offers the broken keepsake back with an apology.

An adult looks remorsefully at a keepsake broken by the adult, then offers its pieces and a sincere apology to its owner through bowed posture and open hands; no text.
Etymology

Remorse carries the image of a “biting back.” The expression “biting of conscience” connects that image to the inward pain of recognizing one's own wrongdoing.

In context

Prof. Sam Vaknin5:20
he never ever expressed remorse, regret, doubted his his actions, asked himself whether what he has done was somehow wrong.
Psychology of Fraud and Corruption (Criminology Intro in CIAPS, Cambridge, UK)

More examples

  • She felt deep remorse for the lie.
  • The letter expressed genuine remorse.
  • He showed little remorse after the discovery.

Forms

remorse

Similar words

regret
May concern any unwanted outcome, not necessarily one's own wrongdoing.
contrition
Contrition especially suggests repentance for wrongdoing.