feeling regret, compunction, sympathy, pity, etc.

to be sorry to leave one's friends; to be sorry for a remark; to be sorry for someone in trouble.

regrettable or deplorable; unfortunate; tragic

a sorry situation; to come to a sorry end.

sorrowful, grieved, or sad

Was she sorry when her brother died?

associated with sorrow; suggestive of grief or suffering; melancholy; dismal.

wretched, poor, useless, or pitiful

a sorry horse.

(used interjectionally as a conventional apology or expression of regret)

Sorry, you're misinformed. Did I bump you? Sorry.