The quality or state of being ambiguous; doubtfulness or uncertainty, particularly as to the signification of language, arising from its admitting of more than one meaning; an equivocal word or expression.
On the road from the City of Skepticism, I had to pass through the Valley of Ambiguity. Adam Smith
There is no greater impediment to the advancement of knowledge than the ambiguity of words. Thomas Reid
The purpose of narrative is to present us with complexity and ambiguity. Scott Turow
I look for ambiguity when I'm writing because life is ambiguous. Keith Richards
The mark of a mature, psychologically healthy mind is indeed the ability to live with uncertainty and ambiguity, but only as much as there really is. Uncertainty is no virtue when the facts are clear, and ambiguity is mere obfuscation when more precise terms are applicable. Julian Baggini