Adjective has 1 sense

• drear(s = adj.all) blue, dark, dingy, disconsolate, dismal, drab, dreary, gloomy, grim, sorry - causing dejection; "a blue day"; "a dark gloomy day"; "a disconsolate winter landscape"; "a week of rainy depressing weather"; "grim rainy weather"; "the dark days of the war"; "the first dismal dispiriting days of November"