sorry
1. Grieved for the loss of some good; pained for some evil; feeling regret
2. Melancholy; dismal; gloomy; mournful.
3. Poor; insufficient; worthless
bad · blue · cheerless · compassionate · dark · deplorable · depressing · dingy · disconsolate · dismal · dispiriting · distressing · drab · drear · dreary · gloomy · good-for-naught · good-for-nothing · grim · lamentable · meritless · no-account · no-count · no-good · penitent · pitiful · pitying · regretful · repentant · sad · uncheerful · worthless
sorrowful · sorrowfully · sorrowfulness · sorrow over · sorrows · sorry · Sorry! · Sorry, I didn't quite understand. · Sorry I interrupted. · Sorry, this seat is taken.