Adjective: uncheerful ,ún'cheer-ful
- Causing sad feelings of gloom and inadequacy
"a moody and uncheerful person"; "an uncheerful place";
- depressing, cheerless
See also: blue [informal], cheer, cheerfulness, dark, dingy, disconsolate, dismal, drab, drear, dreary, gloomy, grim, joyless, melancholy, somber [US], sombre [Brit, Cdn], sorry, sunniness, sunshine, unhappy