Am·bi·gu·i·ty n.; pl. Ambiguities 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.
No shadow of ambiguity can rest upon the course to be pursued. --I. Taylor.
The words are of single signification, without any ambiguity. --South.