a. 极为后悔的, 懊悔的

[ adj ]
feeling or expressing pain or sorrow for sins or offenses
<adj.all>

Remorseful \Re*morse"ful\ (-m?rs"f?l), 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.