unreasonable vs indefensible

unreasonable and indefensible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unreasonable	No	Yes	No	No
indefensible	No	Yes	No	No

unreasonable (adjective)	indefensible (adjective)
not reasonable; not showing good judgment	incapable of being justified or explained
beyond normal limits	(of theories etc) incapable of being defended or justified
	not able to be protected against attack