Antonyms of adj cheerful

2 senses of cheerful

Sense 1
cheerful (vs. depressing) -- (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")

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")
        => 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")
        => somber, sombre, melancholy -- (grave or even gloomy in character; "solemn and mournful music"; "a suit of somber black"; "a somber mood")

Sense 2
cheerful, pollyannaish, upbeat -- (pleasantly (even unrealistically) optimistic)

INDIRECT (VIA optimistic) -> pessimistic -- (expecting the worst possible outcome)

Similarity of adj cheerful

2 senses of cheerful

Sense 1
cheerful (vs. depressing) -- (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")
       => beaming, glad -- (cheerful and bright; "a beaming smile"; "a glad May morning")
       => beamish, smiling (prenominal), twinkly -- (smiling with happiness or optimism; "Come to my arms, my beamish boy!"- Lewis Carroll; "a room of smiling faces"; "a round red twinkly Santa Claus")
       => blithe, blithesome, lighthearted, lightsome, light-hearted -- (carefree and happy and lighthearted; "was loved for her blithe spirit"; "a merry blithesome nature"; "her lighthearted nature"; "trilling songs with a lightsome heart")
       => buoyant, chirpy, perky -- (characterized by liveliness and lightheartedness; "buoyant spirits"; "his quick wit and chirpy humor"; "looking bright and well and chirpy"; "a perky little widow in her 70s")
       => cheery, gay, sunny -- (bright and pleasant; promoting a feeling of cheer; "a cheery hello"; "a gay sunny room"; "a sunny smile")
       => chipper, debonair, debonaire, jaunty -- (having a cheerful, lively, and self-confident air; "looking chipper, like a man...diverted by his own wit"- Frances G. Patton; "life that is gay, brisk, and debonair"- H.M.Reynolds; "walked with a jaunty step"; "a jaunty optimist")
          Also See-> glad#1; happy#1

Sense 2
cheerful, pollyannaish, upbeat -- (pleasantly (even unrealistically) optimistic)
       => optimistic (vs. pessimistic) -- (expecting the best in this best of all possible worlds; "in an optimistic mood"; "optimistic plans"; "took an optimistic view")

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