Synonyms of apologetic

2 Syllables
sorrier, rueful, sorry, sorriest
3 Syllables
regretful, guilt-ridden, contrite, compunctious, penitent, atoning, ashamed, repentant
4 Syllables
attritional, penitential, self-reproachful, supplicating, self-accusing, expiatory, remorseful, self-effacing
5 Syllables
explanatory, conciliatory, propitiatory
6 Syllables
self-condemnatory, self-incriminating