noun, na-adjective
fortitude; firmness of character; inner strength
Formal or literary term describing a person's unyielding mental strength and resolute character. Often used in descriptions of personality or moral fiber.
彼は剛毅な性格で、どんな困難にも立ち向かう。
He has a resolute character and faces any difficulty head-on.
その指導者は剛毅果断
The leader is known for making bold and decisive judgments.
The kanji 剛 (strong, firm) and 毅 (resolute, strong) combine to express the idea of unyielding strength of character. The word is of Chinese origin (kango).