Difference between Uncertain and Chancy

UNCERTAIN vs CHANCY: ADJECTIVE

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

Especially fraught with risk
Of uncertain outcome
Favorable; safe: as, a chancy wind: generally used with a negative: as, not chancy (that is, dangerous).
Fortunate; lucky; propitious; foreboding good: applied to either persons or things, and generally used with a negative in the sense of uncanny: thus, persons suspected of possessing magical arts are regarded as not (or no) chancy.
Uncertain; changeful.

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

Unpredictable, Dubious, Perilous, Tricky, Foolhardy, Risky, Chanceful, Flukey, Unsafe, Fluky, Uncertain, Dangerous, Dodgy, Iffy, Dicey

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

Unpredictable, Dubious, Perilous, Tricky, Foolhardy, Risky, Chanceful, Flukey, Unsafe, Fluky, Uncertain, Dangerous, Dodgy, Iffy, Dicey

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.

It seemed chancy to ask a cluster of shells to bear her entire weight.
Predicting the course of society is chancy, but certain tendencies seem strong enough to worry about.
Fishing is a chancy occupation, and you would do better to look for work.
Invading personal space is often very chancy and can be interpreted as threatening.
Nena Chancy said much of what sees on the left is worrisome.
Melissa James Chancy, to remove certain property from the State of Mississippi.
From here to sunday fourierite woodcutters were the chancy scarfskins.
Boy Howard, George Chancy, Lilliana Faderwoman, and Steve Edgwick.
Chancy, of Snappy Sport Senter in Kalispell, Montana.
Mars Colonies have healthy chancy of self sufficiency.