ambiguity

(an example of) the fact of something having more than one possible meaning and therefore possibly causing confusion:

We wish to remove any ambiguity concerning our demands.

There are some ambiguities in the legislation.

The law ought to be tightened to avoid any ambiguity.

Is he now saying that he's in favour of going to war? His statement is full of ambiguity.

a situation or statement that is unclear because it can be understood in more than one way:

This is a first step toward clarifying things, but there are still many ambiguities.