Not available, accessible, or at hand.
Unable to be reached; inaccessible:
(Archaic) Not capable of being managed or dealt with; intractable
The definition of inaccessible is not able to be reached or not obtainable.
Not to be approached; inaccessible; aloof
Capable of happening, existing, or being true without contradicting proven facts, laws, or circumstances:
Unable to be reached
The definition of impractical is not useful, or is not efficient.
Find another word for unattainable. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for unattainable, like: unrealizable, inapproachable, unavailable, unreachable, impossible, impracticable, unthinkable, unworkable, inaccessible, unapproachable and out-of-the-question.