위법이 · 위법을
violation of the law, illegality
Example
허가 없이 건물을 짓는 것은 위법입니다.
Constructing a building without a permit is illegal.
Word parts
위 violate+법 law
Literally 'violating the law'.
Good to know
위법 is a formal legal term; in everyday speech 불법 is far more common.
Related words