insurmountable

adjective

in·​sur·​mount·​able ˌin(t)-sər-ˈmau̇n-tə-bəl How to pronounce insurmountable (audio)
Synonyms of insurmountable
: incapable of being surmounted : insuperable
insurmountable problems
insurmountably adverb

Examples of insurmountable in a Sentence

They were faced with several insurmountable obstacles. the familiar story of the underdog who ultimately triumphs despite insurmountable odds
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
If there are no Apple App Store services in 2276, our historical iPhone 17 Pro has another insurmountable problem. Ewan Spence, Forbes.com, 6 July 2026 Meanwhile, the technological and financial hurdles of fighting the sonic boom appeared insurmountable. David Szondy july 02, New Atlas, 2 July 2026 Both attacks seem to be finding a groove, as just one goal in the second half could feel like an insurmountable advantage in this type of match. Fort Worth Star-Telegram, 26 June 2026 The epic has been adapted many times, but the stiffness of most attempts makes one wonder whether the difficulties aren’t insurmountable. David Denby, New Yorker, 21 June 2026 See All Example Sentences for insurmountable

Word History

First Known Use

1690, in the meaning defined above

Time Traveler
The first known use of insurmountable was in 1690

Browse Nearby Words

Cite this Entry

“Insurmountable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insurmountable. Accessed 7 Jul. 2026.

Kids Definition

insurmountable

adjective
in·​sur·​mount·​able ˌin(t)-sər-ˈmau̇nt-ə-bəl How to pronounce insurmountable (audio)
: incapable of being surmounted

More from Merriam-Webster on insurmountable

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster