standoffish vs unapproachable

standoffish and unapproachable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
standoffish	No	Yes	No	No
unapproachable	No	Yes	No	No

standoffish (adjective)	unapproachable (adjective)
lacking cordiality; unfriendly	discouraging intimacies; reserved
	inaccessibly located or situated