undefinable vs indefinable

undefinable and indefinable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undefinable	No	Yes	No	No
indefinable	No	Yes	No	No

As adjectives, undefinable and indefinable are synonyms defined as:

undefinable and indefinable: not capable of being precisely or readily described; not easily put into words

undefinable (adjective)	indefinable (adjective)
not capable of being precisely or readily described; not easily put into words	defying expression or description
	not capable of being precisely or readily described; not easily put into words