REMORSEFUL
contrite, remorseful, rueful, ruthful
(adjective) feeling or expressing pain or sorrow for sins or offenses
Source: WordNet® 3.1
Etymology
Adjective
remorseful (comparative more remorseful, superlative most remorseful)
(of a person) Feeling or filled with remorse.
Expressing or caused by remorse.
Synonyms
• penitent
• apologetic
• regretful
• remorseful
Antonyms
• remorseless
• unremorseful
• unrepentant
Source: Wiktionary
Re*morse"ful (-mrs"fl), a.
1. Full of remorse.
The full tide of remorseful passion had abated. Sir W. Scott.
2. Compassionate; feeling tenderly. [Obs.] Shak.
3. Exciting pity; pitiable. [Obs.] Chapman.
– Re*morse"ful*ly, adv.
– Re*morse"ful*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition