薄うす黒ぐろいうすぐろいConjugationMeanings1i-adjectiveblackish; darkish; duskyDescribes something that is somewhat dark or blackish, often with a negative or gloomy nuance. Not as strong as 黒い.壁かべが薄うす黒ぐろく汚よごれている。The wall is stained a darkish color.薄うす黒ぐろい雲くもが空そらを覆おおっている