also: うっとおしい
i-adjective
Describes a mood, atmosphere, or weather that feels heavy, oppressive, and makes one feel down.
今日は曇りで、なんだかうっとうしい気分だ。
It's cloudy today, and I feel kind of gloomy.
雨が続くと、気持ちがうっとうしくなる。
When the rain continues, my mood becomes dreary.
i-adjective
irritating; troublesome; annoying
Used when someone or something is bothersome, pesky, or gets on one's nerves; often about people or persistent nuisances.
彼の長話は本当にうっとうしい。
His long stories are really irritating.
蚊がうっとうしくて眠れない。
The mosquitoes are so annoying I can't sleep.
i-adjective
Specifically for weather that is overcast, muggy, or oppressively cloudy; often overlaps with the gloomy mood sense.
梅雨のうっとうしい空が続いている。
The heavy, overcast sky of the rainy season continues.