1. sit on the fence - Verb
2. sit on the fence - Phrase
sit on the fence (third-person singular simple present sits on the fence, present participle sitting on the fence, simple past and past participle sat on the fence)
(idiomatic, intransitive) To remain neutral on a certain topic, to not have a stance or opinion.
But the Bible acknowledges the existence of viciousness and cruelty, and it demands of decent people that we not sit on the fence in the face of evil: “Those who love G-d hate evil” (Psalm 97:10). Source: Internet
“This is not the time to sit on the fence. Source: Internet