unattainable

adjective

un·​at·​tain·​able ˌən-ə-ˈtā-nə-bəl 

: not able to be accomplished or achieved : not attainable

unattainable goals

an unattainable ideal

unattainability

ˌən-ə-ˌtā-nə-ˈbi-lə-tē 

noun

unattainably

ˌən-ə-ˈtā-nə-blē 

adverb

Synonyms

• inaccessible
• unavailable
• untouchable
• unobtainable

Examples of unattainable in a Sentence

an eagle's nest in an unattainable location

unfortunately, world peace is probably an unattainable ideal

Recent Examples on the Web

Leading frontier models are already integrating Composite AI elements, such as tool-calling, to deliver state-of-the-art performance benchmarks unattainable through a singular methodology. —Anuradha Weeraman, Forbes.com, 1 July 2025

Without them, we’re left with tripe, something unrelatable and unattainable, worst of all: untrue. —Brendan O’Meara 23, Literary Hub, 23 June 2025

Trump, however, should employ his trademark willingness to say out loud what others are thinking but not dare say, and acknowledge a simple truth: NATO membership for Ukraine is unattainable. —Charles Kupchan, Foreign Affairs, 20 June 2025

The current mayoral administration has left New Yorkers on their own — with trash piling up on the streets, child care remaining unattainable, housing unaffordable, and our public schools falling behind. —Scott Stringer, New York Daily News, 3 June 2025

Word History

First Known Use

1662, in the meaning defined above

Rhymes for unattainable

• attainable
• explainable
• maintainable
• obtainable
• sustainable
• ascertainable
• unexplainable
• unobtainable
• unsustainable
• trainable