knocking for a loop (verb) attack: assault physically
Sinonime: black, bleak, dark, deathlike, dirgelike, disheartening, dismal,
doleful, dreary, elegiac,
gloomy, grave,
grim, lamenting,
lugubrious,
melancholy, mournful,
oppressive,
sad, sepulchral,
serious,
solemn, somber, woeful
Antonime: cheerful,
happy,
joyful,
lively,
upbeat