unperceptive vs undiscriminating

unperceptive and undiscriminating both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unperceptive	No	Yes	No	No
undiscriminating	No	Yes	No	No

unperceptive (adjective)	undiscriminating (adjective)
lacking perception	not discriminating
lacking sensitivity, taste, or judgment