noun which may take the genitive case particle 'no', noun
against the rules; breaking etiquette; illegal
Describes an action or thing that violates established rules, customs, or laws. Often used in contexts like games, organizations, or social norms.
その行為は明らかに掟破りだ。
That act is clearly against the rules.
掟破りの手段で勝つのは許されない。
Winning by illegal means is not allowed.
noun which may take the genitive case particle 'no', noun
unusual; unconventional; against common sense
Refers to something that deviates from what is considered normal or sensible. Less common than sense 1; often used in a critical or surprised tone.
彼の掟破りな発想には驚かされる。
I'm amazed by his unconventional way of thinking.
Compound of 掟 (rule, law) and 破り (breaking, from 破る). The exact historical derivation is uncertain, but the word likely emerged as a straightforward combination to describe rule-breaking behavior.