stuffy

風通しの悪い部屋

a room that lacks fresh air and feels uncomfortable

新鮮な空気がなく、不快に感じる部屋

a blocked nose, typically due to a cold or allergies

よどんだ雰囲気

an atmosphere that lacks fresh air, often feeling oppressive

新鮮な空気がなく、しばしば圧迫感のある雰囲気