Level XIV of XX on the frequency path
Frequency rank 1730 / 2,608
Rarer in this ranking, but still part of the 2,608-character published set.
More common than 簿 (Record Book), less common than 蛇 (Snake).
A knife on the left carves through a mountain and angle on the right — a knife cutting through mountain rock at every angle proves it is sturdy and strong.
剛 is rank 1730 of 2,608 in published Japanese.
Study 剛 →