Illegal
Unlawful
noun, な adjective, の adjective
A not law is something that's against the law. It's illegal or unlawful.
ふほう
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
ビエトが行っている不法のやみとり引のことを、トーフグの社員はだれも知らない。
None of the Tofugu workers know about the illegal black-market transactions that Viet does.
アメリカにはげん時てんで何人の不法たいざい者がいると思いますか？
How many illegal aliens do you think there are in the U.S. at the moment?
不法な捜査で得た証拠は法廷では使えませんよ。
We can’t use evidence obtained through an unlawful search at the court.