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expression

on the fence

undecided between two options

In Idioms & Sayings

In more detail

1. (idiom) unable to decide between two choices or opinions; uncertain about which side to support

Examples

How to use on the fence

This idiomatic expression describes someone who cannot make up their mind or refuses to take a clear position on an issue, often because they see merit in both sides. It is commonly used in informal contexts and carries a slightly neutral or sometimes mildly critical tone, implying indecision or lack of commitment. The phrase suggests uncertainty that may need to be resolved.

Register: informal

Common phrases

Synonyms

undecided · uncertain · torn · wavering · sitting on the fence

Opposites

committed · decided · resolved

A common mistake

Learners sometimes use 'in the fence' instead of 'on the fence'—the preposition must be 'on' to match the idiom's original metaphor of balancing on a fence.

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