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cloudiness; cloudy weather
fog (on a mirror, glasses, etc.); cloud (e.g. in marble); blur; mist; shadow; dimness
gloom; dejection
明日は一日中曇だそうだ。
I hear it'll be cloudy all day tomorrow.
曇の日でも紫外線は強い。
UV rays are strong even on cloudy days.
朝から曇で気分がなかなか上がらない。
It's been cloudy since morning and I can't lift my spirits.