indescribable vs indefinable

indescribable and indefinable both are adjectives.

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

As adjectives, indescribable and indefinable are synonyms defined as:

Other synonyms of indescribable include ineffable, unspeakable, untellable, unutterable.

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