discerning vs undiscerning

discerning and undiscerning both are adjectives.

Word	Noun	Adjective	Verb	Adverb
discerning	No	Yes	No	No
undiscerning	No	Yes	No	No

discerning (adjective)	undiscerning (adjective)
having or revealing keen insight and good judgment	lacking discernment
able to make or detect effects of great subtlety; sensitive
quick to understand
unobtrusively perceptive and sympathetic