Antonyms of adj dismal

1 sense of dismal

Sense 1
blue, dark, dingy, disconsolate, dismal, gloomy, grim, sorry, drab, drear, dreary -- (causing dejection; "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")

INDIRECT (VIA depressing) -> cheerful -- (being full of or promoting cheer; having or showing good spirits; "her cheerful nature"; "a cheerful greeting"; "a cheerful room"; "as cheerful as anyone confined to a hospital bed could be")

Similarity of adj dismal

1 sense of dismal

Sense 1
blue, dark, dingy, disconsolate, dismal, gloomy, grim, sorry, drab, drear, dreary -- (causing dejection; "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")
       => depressing (vs. cheerful), cheerless, uncheerful -- (causing sad feelings of gloom and inadequacy; "the economic outlook is depressing"; "something cheerless about the room"; "a moody and uncheerful person"; "an uncheerful place")