noun
dense fog; thick mist
Rare literary term for a heavy, obscuring fog or mist. Not used in everyday conversation; modern Japanese prefers 濃霧 (のうむ) or 深い霧.
古典文学では「濛気」が立ち込める場面が描かれることがある。
In classical literature, scenes where 'dense fog' rolls in are sometimes depicted.
noun
feeling depressed; gloominess
Rare figurative use, likening a depressed mood to being enveloped in thick fog. Extremely uncommon; modern Japanese uses 憂鬱 (ゆううつ) or 気分が沈む.
古い随筆に「心に濛気がかかる」という表現が見られる。
In an old essay, the expression 'a dense fog settles over the heart' can be found.
Compound of 濛 (もう, 'misty, obscure') or 朦 (もう, 'dim, hazy') and 気 (き, 'air, atmosphere, feeling'). The exact origin is uncertain; it is a rare Sino-Japanese word.