Dubious

a.	1.	Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined. A dubious, agitated state of mind.
	2.	Occasioning doubt; not clear, or obvious; equivocal; questionable; doubtful; as, a dubious answer. Wiping the dingy shirt with a still more dubious pocket handkerchief. - Thackeray.
	3.	Of uncertain event or issue; as, in dubious battle.

Adj.	1.	dubious - fraught with uncertainty or doubt; "they were doubtful that the cord would hold"; "it was doubtful whether she would be admitted"; "dubious about agreeing to go" Synonyms: doubtful
	2.	dubious - open to doubt or suspicion; "the candidate's doubtful past"; "he has a dubious record indeed"; "what one found uncertain the other found dubious or downright false"; "it was more than dubitable whether the friend was as influential as she thought"- Karen Horney Synonyms: doubtful, dubitable, in question
	3.	dubious - not convinced; "they admitted the force of my argument but remained dubious"

Humean, Pyrrhonic, a bit thick, a bit thin, absurd, agnostic, ambitendent, ambivalent, amoral, arguable, at issue, at loose ends, beguiling, beyond belief, capricious, catchy, changeable, confutable, conjectural, conscienceless, contestable, controversial, controvertible, corrupt, corrupted, criminal, crooked, dark, debatable, deceiving, deceptive, delusive, delusory, deniable, devious, dishonest, dishonorable, disinclined, disputable, distrustful, double-minded, doubtable, doubtful, doubting, dubitable, equivocal, evasive, fallacious, false, felonious, fence-sitting, fence-straddling, fickle, fishy, fly-by-night, fraudulent, from Missouri, hallucinatory, hard of belief, hard to believe, hardly possible, iffy, ill-got, ill-gotten, illusive, illusory, immoral, implausible, improbable, in dispute, in doubt, in dubio, in question, inconceivable, incredible, incredulous, indecisive, indirect, infirm of purpose, insecure, insidious, irresolute, irresolved, leery, mercurial, misleading, mistakable, mistrustful, mistrusting, moot, more than doubtful, mugwumpian, mugwumpish, mutable, not deserving belief, not kosher, of two minds, open, open to doubt, open to question, open to suspicion, passing belief, preposterous, problematic, questioning, refutable, reluctant, ridiculous, rocky, rotten, scrupulous, shady, shaky, shameless, shifty, shy, sinister, skeptic, skeptical, slippery, speculative, staggering belief, suppositional, suspect, suspecting, suspicious, tall, thick, thin, tottery, treacherous, trickish, tricksy, tricky, trustless, unbelievable, unclear, unconscienced, unconscientious, unconscionable, unconvincing, undependable, underhand, underhanded, undetermined, unearthly, unethical, ungodly, unhealthy, unimaginable, unlikely, unpredictable, unprincipled, unpromising, unresolved, unsafe, unsavory, unscrupulous, unsettled, unsound, unstable, unsteady, unstraightforward, unthinkable, untrusting, untrusty, unworthy of belief, wary, without remorse, without shame