uninventive vs unimaginative

uninventive and unimaginative both are adjectives.

Word	Noun	Adjective	Verb	Adverb
uninventive	No	Yes	No	No
unimaginative	No	Yes	No	No

As adjectives, uninventive and unimaginative are synonyms defined as:

uninventive and unimaginative: deficient in originality or creativity; lacking powers of invention

Other synonyms of uninventive include sterile, uninspired.

uninventive (adjective)	unimaginative (adjective)
deficient in originality or creativity; lacking powers of invention	lacking spontaneity or originality or individuality
	dealing only with concrete facts
	deficient in originality or creativity; lacking powers of invention