noun
justifiable cause for noncompliance with the law; grounds for justification
A legal term referring to circumstances that negate the unlawfulness of an act, such as self-defense or necessity. Used in criminal law contexts.
正当防衛は違法性阻却事由の一つである。
Self-defense is one of the justifiable causes for noncompliance with the law.
違法性阻却事由が認められれば、その行為は犯罪として処罰されない。
If a justifiable cause for noncompliance with the law is recognized, the act will not be punished as a crime.
Compound of 違法性 (illegality) + 阻却 (obstruction, negation) + 事由 (reason, cause). The term is a direct translation of the German legal concept 'Rechtfertigungsgrund'.