In a manner that allows for different interpretations, esp. through the use of words or expressions that have different possible meanings; (also)…

So as to admit of a twofold or manifold application.

in an escaping manner; evasively.

In a bifarious manner. In two ways; ambiguously.

So as to convey a double meaning, ambiguously.

‘Doubtfully, with a doubtful meaning’ (Johnson).