arbitrarily vs indiscriminately

arbitrarily and indiscriminately both are adverbs.

Word	Noun	Adjective	Verb	Adverb
arbitrarily	No	No	No	Yes
indiscriminately	No	No	No	Yes

As adverbs, arbitrarily and indiscriminately are synonyms defined as:

Other synonyms of arbitrarily include at random, every which way, haphazardly, randomly, willy-nilly.

arbitrarily (adverb)	indiscriminately (adverb)
in a random manner	in a random manner
	in an indiscriminate manner