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)

Synonyms: Doubtful, dubious, uncertain, unsettled, indistinct, indeterminate, indefinite. See Equivocal.

Origin: L. Ambiguus, fr. Ambigere to wander about, waver; amb- + agere to drive.

(01 Mar 1998)