noun, noun which may take the genitive case particle 'no'
Describes a person or attitude that shows no fear; often used in a positive, admiring sense.
彼は恐れ知らずの冒険家だ。
He is a fearless adventurer.
その選手は恐れ知らずのプレーを見せた。
The player showed fearless play.
Standard kanji spelling.
Kana-kanji mixed spelling, less common but still used.
Compound of 恐れ (fear) and 知らず (not knowing), literally 'not knowing fear'.