As nouns the difference between unattainable and unattainableness
is that unattainable is anything that cannot be attained while unattainableness is the condition of being unattainable.
As an adjective unattainable
is impossible to attain or reach; inaccessible, unobtainable or unapproachable; unable to accomplish; beyond limit.
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.