What is the meaning of sorry?

adjective

• Feeling or expressing regret or sorrow or a sense of loss over something done or undone.
  • usage: "felt regretful over his vanished youth"; "regretful over mistakes she had made"; "he felt bad about breaking the vase"
  • synonyms: regretful, bad
• Bad; unfortunate.
  • usage: "my finances were in a deplorable state"; "a lamentable decision"; "her clothes were in sad shape"; "a sorry state of affairs"
  • synonyms: deplorable, distressing, lamentable, pitiful, sad
• Without merit.
  • usage: "a sorry horse"; "a sorry excuse"; "a lazy no-count, good-for-nothing goldbrick"; "the car was a no-good piece of junk"
  • synonyms: good-for-nothing, good-for-naught, meritless, no-account, no-count, no-good
• Causing dejection.
  • usage: "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather"
  • synonyms: blue, dark, dingy, disconsolate, dismal, gloomy, grim, drab, drear, dreary