chancy vs uncertain

chancy and uncertain both are adjectives.

Word	Noun	Adjective	Verb	Adverb
chancy	No	Yes	No	No
uncertain	No	Yes	No	No

chancy (adjective)	uncertain (adjective)
of uncertain outcome; especially fraught with risk	not established beyond doubt; still undecided or unknown
subject to accident or chance or change	lacking or indicating lack of confidence or assurance
	not certain to occur; not inevitable
	not established or confirmed
	ambiguous (especially in the negative)
	not consistent or dependable
	subject to change