As adjectives the difference between unattainable and inobtainable
is that unattainable is impossible to attain or reach; inaccessible, unobtainable or unapproachable; unable to accomplish; beyond limit while inobtainable is not able to be obtained.
As a noun unattainable
is anything that cannot be attained.
unattainable
English
Adjective
(
en adjective)
Impossible to attain or reach; inaccessible, unobtainable or unapproachable; unable to accomplish; beyond limit.
Noun
(
en noun)
Anything that cannot be attained.