unscalable

adjective

un·​scal·​able ˌən-ˈskā-lə-bəl How to pronounce unscalable (audio)
: not capable of being climbed or scaled : not scalable
unscalable peaks
an unscalable barrier

Examples of unscalable in a Sentence

Recent Examples on the Web
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Judgment, sequencing, and context—long considered unscalable—can now be captured and shared. John Sviokla, Forbes.com, 23 Jan. 2026 But this approach is increasingly costly and ultimately unscalable, because the real trouble lies with the technology at the heart of the Internet: its routing architecture. Antonio Liotta, IEEE Spectrum, 26 July 2013 See All Example Sentences for unscalable

Word History

First Known Use

circa 1580, in the meaning defined above

Time Traveler
The first known use of unscalable was circa 1580

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Cite this Entry

“Unscalable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unscalable. Accessed 20 May. 2026.

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