Meaning : Feeling or expressing regret or sorrow or a sense of loss over something done or undone.
Example :
Felt regretful over his vanished youth.
Regretful over mistakes she had made.
He felt bad about breaking the vase.
Meaning : Bad. Unfortunate.
Example :
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
Meaning : Without merit. Of little or no value or use.
Example :
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-naught, good-for-nothing, meritless, no-account, no-count, no-good
Meaning : Causing dejection.
Example :
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, drab, drear, dreary, gloomy, grim