undependable vs dependable

undependable and dependable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undependable	No	Yes	No	No
dependable	No	Yes	No	No

undependable (adjective)	dependable (adjective)
not worthy of reliance or trust	worthy of reliance or trust
liable to be erroneous or misleading	financially safe
	consistent in performance or behavior
	worthy of being depended on