What does よく mean?
よく is a Japanese noun meaning “frequently, often (much); well, skillfully” in English. It can also be translated as “frequently, I'm glad that you ..., (you have) quite the nerve to” depending on context. It is written as よく in hiragana, and yoku in romaji. This word is part of JLPT N5 vocabulary.
Example sentences
そのプロジェクトはよく計画されていて興味深いが、当面の利益には大した結果をもたらさないと見られている。
The project is well-planned and interesting, but its immediate impact on the bottom line is not considered substantial.
みつなは綺麗好きだから、よく自ら進んで掃除をしています。
Mitsuna is very tidy so she often cleans up without being asked.
ジャック、よく来てくれたね。
You are welcome, Jack!