unapproachable vs standoffish

unapproachable and standoffish both are adjectives.

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

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