As adjectives the difference between unaccessible and inaccessible
is that unaccessible is inaccessible while inaccessible is not able to be accessed; out of reach; inconvenient.
As a noun inaccessible is
an uncountable regular cardinal number that is a limit cardinal.
inaccessible
English
Adjective
(
en adjective)
Not able to be accessed; out of reach; inconvenient.
Not able to be reached; unattainable.
Noun
(
en noun)
(mathematics) An uncountable regular cardinal number that is a limit cardinal.
----