Ambiguous \Am*big"u*ous\, a. [L. ambiguus, fr. 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. [1913 Webster]

What have been thy answers? What but dark, Ambiguous, and with double sense deluding? --Milton. [1913 Webster]

Syn: Doubtful; dubious; uncertain; unsettled; indistinct; indeterminate; indefinite. See Equivocal. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

123 Moby Thesaurus words for "ambiguous": Greek to one, agnostic, amalgamated, ambivalent, amphibious, amphibolic, amphibological, amphibolous, antinomic, beyond understanding, blended, capricious, chancy, changeable, combined, complex, composite, compound, compounded, confusable, conglomerate, cryptic, dappled, dicey, double-faced, doubtful, doubting, dubious, eclectic, enigmatic, enigmatical, equivocal, equivocatory, erratic, fickle, fifty-fifty, fishy, foggy, half-and-half, hesitant, hesitating, heterogeneous, impenetrable, inarticulate, incalculable, incognizable, incoherent, incomprehensible, inconclusive, indecisive, indefinite, indemonstrable, indeterminate, indiscriminate, indistinct, inscrutable, intricate, ironic, irresolute, jumbled, many-sided, medley, mingled, miscellaneous, misleading, misty, mixed, motley, multifaceted, multinational, multiracial, multivocal, mysterious, numinous, obscure, opaque, oracular, oxymoronic, paradoxical, past comprehension, patchy, pluralistic, polysemantic, polysemous, problematic, promiscuous, puzzling, questionable, rambling, scrambled, self-contradictory, skeptical, suspect, syncretic, tenebrous, thrown together, touch-and-go, unaccountable, uncertain, unclear, unconfirmable, unconnected, unconvinced, undefined, undependable, undivinable, unfathomable, unforeseeable, unintelligible, unknowable, unpersuaded, unpredictable, unprovable, unreliable, unsearchable, unsettled, unsure, unverifiable, vague, variable, varied, wavering, whimsical

Source: Moby Thesaurus II by Grady Ward, 1.0
 

ambiguous adj
1: open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead; "an equivocal statement"; "the polling had a complex and equivocal (or ambiguous) message for potential female candidates"; "the officer's equivocal behavior increased the victim's uneasiness"; "popularity is an equivocal crown"; "an equivocal response to an embarrassing question" [syn: equivocal] [ant: unequivocal]
2: having more than one possible meaning; "ambiguous words"; "frustrated by ambiguous instructions, the parents were unable to assemble the toy" [ant: unambiguous]
3: having no intrinsic or objective meaning; not organized in conventional patterns; "an ambiguous situation with no frame of reference"; "ambiguous inkblots"

Source: WordNet (r) 2.0
 

Ambiguous \Am*big"u*ous\, a. [L. ambiguus, fr. 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.

Syn: Doubtful; dubious; uncertain; unsettled; indistinct; indeterminate; indefinite. See Equivocal.

Source: Webster's Revised Unabridged Dictionary (1913)