indiscriminate vs undiscriminating

indiscriminate and undiscriminating both are adjectives.

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

indiscriminate (adjective)	undiscriminating (adjective)
not marked by fine distinctions	not discriminating
failing to make or recognize distinctions