indefinable vs indescribable

indefinable and indescribable both are adjectives.

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

As adjectives, indefinable and indescribable are synonyms defined as:

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

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