na-adjective, noun
Describes a person, mood, atmosphere, or place that feels dark, cheerless, or depressing. Often used for personality or weather.
Antonyms: 陽気
彼は陰気な性格で、あまり笑わない。
He has a gloomy personality and rarely laughs.
この部屋は窓がなくて陰気だ。
This room has no windows and feels dismal.
noun
yin energy; spirit of yin
Technical term in traditional Chinese philosophy/medicine referring to the dark, passive, feminine principle. Rare in everyday conversation; usually encountered in explanatory contexts.
See also: 陽気 (ようき)
陰陽説では、陰気は静かで冷たい性質を表す。
In yin-yang theory, yin energy represents quiet and cold qualities.