Difference between Uncertain and Dubious

UNCERTAIN vs DUBIOUS: ADJECTIVE

In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.
Arousing doubt; questionable; open to suspicion.
Of uncertain event or issue.
Occasioning doubt; not clear, or obvious; equivocal; questionable; doubtful.
Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined.
Of questionable character.
Arousing doubt; doubtful.
Fraught with uncertainty or doubt; undecided.
Fraught with uncertainty or doubt
Open to doubt or suspicion
Not convinced

Not established beyond doubt
Still undecided or unknown
Not certain to occur
Not inevitable
Not steady; fitful.
To make or cause to be uncertain.
Not certain; doubtful.
Not known as regards quantity or extent; indefinite; problematical: as, an uncertain number of independent voters; a person of uncertain age.
Not sure as to aim or effect desired.
Unreliable; insecure; not to be depended on.
Not firm or fixed; vague; indeterminate in nature; fluctuating.
Undecided; hesitating; not resolved.
Liable to change; fickle; inconstant; capricious; irresolute.
Having doubts; without certain knowledge; not sure.

Doubting; hesitating; wavering or fluctuating in opinion, but inclined to doubt.
Doubtful; marked by or occasioning doubt or uncertainty; difficult to determine or relieve of uncertainty; not distinct or plain; puzzling: as, a dubious question; a dubious light.
Of uncertain event or issue: as, a dubious undertaking.
Liable to doubt or suspicion; of doubtful quality or propriety; questionable: as, a man of dubious character; a dubious transaction; his morals or his methods are dubious. Synonyms Unsettled, undetermined.
Doubtful, Ambiguous, etc. (see obscure, a.); questionable, problematical, puzzling.

Unreliable, Variable, Undependable, Insecure, Chancy, Indefinite, Dubious, Changeable, Hesitant, Ambiguous, Ambivalent, Iffy, Doubtful, Unsettled, Unsure

Disputable, Iffy, Disreputable, Murky, Debatable, Spurious, Dodgy, Incertain, Dubitable, In question, Unsure, Uncertain, Unconvinced, Doubtful, Questionable

Unreliable, Variable, Undependable, Insecure, Chancy, Indefinite, Dubious, Changeable, Hesitant, Ambiguous, Ambivalent, Iffy, Doubtful, Unsettled, Unsure

Disputable, Iffy, Disreputable, Murky, Debatable, Spurious, Dodgy, Incertain, In question, Dubitable, Unsure, Uncertain, Unconvinced, Doubtful, Questionable

The subjects were urged to guess when uncertain.
Biblical scholarship, however, holds that this is uncertain.
Of uncertain affinity; to be able or possible.
Uncertain rewards powerfully motivate repetition and habit formation.
Right now is an unprecedented and uncertain time.
Australia will be isolated with an uncertain future.
Statute of Limitations The Uncertain Future of the Uncertain Tax Position Schedule.
Whether current doctrines of standing, justiciability, and political question would preclude this judicial supervision is uncertain, and was left uncertain in the congressional debates.
We include this uncertain number in the number of significant figures, but, our readers know that it is uncertain.
Liu B: Uncertain set theory and uncertain inference rule with application to uncertain control.

ANT: Thick, turbid, opaque, intransparent, mysterious, dubious, questionable.
Baghdad such remarks become increasingly dubious under closerscrutiny.
Imaginary homelands: the dubious cartographies of Australian identity.
Many free online courses are of dubious quality.
Funny no mention of their dubious business practices?
The recruiter seemed dubious I could do this.
Efficiency is a concept of very dubious value.
So we have to keep this constitutionally dubious doctrine to keep safe a constitutionally dubious authority over certain types of contraband.
Dubious ame and Elusi Dubious Fame and Elusive Foe nutrortune lish queen, Elizabeth, and the Spanish king, Philip II.
In the spiel, dubious arguments against dubious death sentences.