The Collaborative International Dictionary of English v.0.48:
Sorry \Sor"ry\, a. [Compar. Sorrier; superl. Sorriest.] [OE.
sory, sary, AS. s[=a]rig, fr. s[=a]r, n., sore. See Sore,
n. & a. The original sense was, painful; hence, miserable,
1. Grieved for the loss of some good; pained for some evil;
feeling regret; -- now generally used to express light
grief or affliction, but formerly often used to express
deeper feeling. "I am sorry for my sins." --Piers Plowman.
Ye were made sorry after a godly manner. --2 Cor.
I am sorry for thee, friend; 't is the duke's
She entered, were he lief or sorry. --Spenser.
2. Melancholy; dismal; gloomy; mournful. --Spenser.
All full of chirking was this sorry place.
3. Poor; mean; worthless; as, a sorry excuse. "With sorry
Cheeks of sorry grain will serve. --Milton.
Good fruit will sometimes grow on a sorry tree.
Syn: Hurt; afflicted; mortified; vexed; chagrined;
melancholy; dismal; poor; mean; pitiful.