compunction

English Thesaurus

1. a feeling of deep regret (usually for some misdeed) (noun.feeling)

hypernym	:	regret, rue, ruefulness, sorrow,
definition	:	sadness associated with some wrong done or some disappointment (noun.feeling)

hyponym	:	guilt, guilt feelings, guilt trip, guilty conscience,
definition	:	remorse caused by feeling responsible for some offense (noun.feeling)

hyponym	:	penance, penitence, repentance,
definition	:	remorse for your past conduct (noun.feeling)