What does 粗い mean?
粗い is a Japanese adjective meaning “coarse, rough” in English. It is written as 粗い in kanji, あらい in hiragana, and arai in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
彼女のドレスはきめの粗いウールでできていた。
Her dress was made of coarse wool.