on the fence

/ɑn ðə fɛns/

If you're on the fence, you can't decide something. You're torn between two options. If you’re standing at the ice cream counter, not sure if you should get chocolate or vanilla, you’re on the fence.

Being on the fence means you really just can’t decide. It’s as if you’re sitting on the fence because you can’t decide which yard to play in. If you can't decide whether to take a job or not, you're on the fence. If you don't know which basketball team to root for, you're on the fence. This word is all about indecision. When you make a choice or commitment, you’re no longer on the fence.

Definitions of on the fence

1. adjective

   characterized by indecision
   “some who had been on the fence came out in favor of the plan”

   synonyms: undecided

   indecisive

   characterized by lack of decision and firmness