There is a ranch that raises cattle by letting them graze freely.
犬を野放しにすると近所迷惑になる。
Letting your dog run loose will bother the neighbors.
noun, noun which may take the genitive case particle 'no'
leaving unchecked; letting things take their own course; leaving at large
Figurative extension: leaving a situation, person, or problem uncontrolled, often with a negative nuance of neglect or lack of supervision. Can apply to criminals, children, or issues.
問題を野放しにしておくと、もっと深刻になる。
If you leave the problem unchecked, it will become more serious.
凶悪犯を野放しにするわけにはいかない。
We cannot leave a violent criminal at large.
At this ranch, the cattle are left to roam free.
It's dangerous to leave criminals at large unsupervised.
The government has left this problem unaddressed for years.
That industry has no regulations and is completely uncontrolled.