Antonyms of adj approachable

3 senses of approachable

Sense 1
accessible, approachable -- (capable of being read with comprehension; "readily accessible to the nonprofessional reader"; "the tales seem more approachable than his more difficult novels")

INDIRECT (VIA comprehensible) -> incomprehensible, uncomprehensible -- (difficult to understand; "the most incomprehensible thing about the universe is that it is comprehensible"- A. Einstein)

Sense 2
approachable (vs. unapproachable) -- (easy to meet or converse or do business with; "a friendly approachable person")

unapproachable (vs. approachable) -- (discouraging intimacies; reserved; "an unapproachable executive")
        => offish, standoffish -- (lacking cordiality; unfriendly; "a standoffish manner")

Sense 3
approachable, reachable -- (easily approached; "a site approachable from a branch of the Niger")

INDIRECT (VIA accessible) -> inaccessible, unaccessible -- (capable of being reached only with great difficulty or not at all)

Similarity of adj approachable

3 senses of approachable

Sense 1
accessible, approachable -- (capable of being read with comprehension; "readily accessible to the nonprofessional reader"; "the tales seem more approachable than his more difficult novels")
       => comprehensible (vs. incomprehensible), comprehendible -- (capable of being comprehended or understood; "an idea comprehensible to the average mind")

Sense 2
approachable (vs. unapproachable) -- (easy to meet or converse or do business with; "a friendly approachable person")
       => accessible -- (easy to get along with or talk to; friendly; "an accessible and genial man")

Sense 3
approachable, reachable -- (easily approached; "a site approachable from a branch of the Niger")
       => accessible (vs. inaccessible) -- (capable of being reached; "a town accessible by rail")