Merriam-Webster Collegiate Dictionary - gloomy

 adjective  (gloomier; -est)  Date: 1588  1.  a. partially or totally dark; especially dismally and depressingly dark ~ weather  b. having a frowning or scowling appearance ; forbidding a ~ countenance  c. low in spirits ; melancholy  2.  a. causing gloom ; depressing a ~ story a ~ landscape  b. lacking in promise or hopefulness ; pessimistic ~ prophecies a ~ future  Synonyms: see dismal, sullen  • gloomily adverb  • gloominess noun