Foul
Violation
noun, verbal noun
An anti rule is when you break the rules. It's when you do a foul.
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.
反則だと言われた時は頭に血がのぼっていて、すぐに言われたことが理解できなかった。
When they told me it was a foul, blood was rushing to my head, and I didn't immediately understand what was being said.
あの選手は、ああやって、見えないところでいつも反則するんだよ。
That player always fouls like that when he can't be seen.
出会い系アプリのプロフの写真にフィルター使うのは反則だよ。ほぼ別人じゃん。
It’s a pretty cheeky move to use filters on dating app profile pictures. It’s almost like you’re a different person.