undiluted vs concentrated

undiluted and concentrated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undiluted	No	Yes	No	No
concentrated	No	Yes	No	No

undiluted (adjective)	concentrated (adjective)
not diluted	gathered together or made less diffuse
	(of light) transmitted directly from a pointed light source
	being the most concentrated solution possible at a given temperature; unable to dissolve still more of a substance
	intensely focused
	of or relating to a solution whose dilution has been reduced