Webster's Revised Unabridged Dictionary · 1913

Ambiguous

Ambiguous ({not transcribed}) , adjective

[Latin ambiguus, from ambigere to wander about, waver; amb- + agere to drive.]

Doubtful or uncertain, particularly in respect to signification; capable of being understood in either of two or more possible senses; equivocal; as, an ambiguous course; an ambiguous expression.
What have been thy answers? What but dark, Ambiguous, and with double sense deluding? — Milton