What is the other term for sorry?

Main Entry: sorry Part of Speech: adjective Definition: remorseful, regretful Synonyms: apologetic, attritional, compunctious, conscience-stricken, contrite, guilt- ridden, melted, penitent, penitential, repentant, self-accusing, self- condemnatory, self-reproachful, shamefaced, softened, touched Antonyms: glad, happy, unremorseful, unsorry