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Definitions

unattainable

ADJECTIVE
inaccessible
Synonyms
STRONGEST
distant elusive impassable impervious insurmountable unreachable unworkable
WEAK
aloof away beyond beyond reach far far-off faraway impracticable inapproachable not at hand out of the way out-of-the-way remote unachievable unapproachable unavailable unfeasible ungettable unobtainable unrealizable
Antonyms
STRONGEST
open
ADJECTIVE
impossible
Synonyms
STRONGEST
futile hopeless impassable impervious impractical inaccessible inconceivable insurmountable unimaginable unreasonable unthinkable unworkable useless
WEAK
absurd beyond contrary to reason cureless hardly possible hundred-to-one impracticable inexecutable infeasible irrealizable irreparable no-go no-win not a prayer out of the question preposterous too much unachievable uncorrectable unfeasible unobtainable unrealizable unrecoverable visionary way-out
Antonyms
STRONGEST
believable conceivable hopeful imaginable open practical reasonable sensible

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Jamie Dimon believes the American dream is becoming unattainable, and he is getting serious about trying to revive it.

From MarketWatch • Mar. 31, 2026

Gen Z feels prices are high and housing unattainable.

From Barron's • Mar. 14, 2026

Proponents of AI regulation often cite neutral AI as a goal, but true neutrality is often unattainable.

From Salon • Jan. 3, 2026

Logically, they know the goal itself is unattainable, but the endeavour to get there can take them to new heights.

From BBC • Nov. 19, 2025

These were the obligatory so-called Studienreisen, or study tours, their goal being the students’ acquisition of the necessary grounding in “the modern developments in Physics” that was simply unattainable in the United States.

From "Big Science" by Michael Hiltzik

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.