insurmountable

adjective

in·​sur·​mount·​able ˌin(t)-sər-ˈmau̇n-tə-bəl How to pronounce insurmountable (audio)
Synonyms of insurmountablenext
: 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.
The dilemma seemed insurmountable at the time. Simon Shuster, The Atlantic, 10 Feb. 2026 The filing argues that custody is a nonwaivable jurisdictional requirement and that remote court proceedings would raise insurmountable problems, including the inability to verify identities, enforce perjury laws, or protect classified information. Kaelan Deese, The Washington Examiner, 9 Feb. 2026 Scott Davenport still worked off and on for the next several months at Quail Hollow, but his original illness cascaded into an insurmountable series of health problems. Scott Fowler, Charlotte Observer, 6 Feb. 2026 And don’t think the seven-shot difference is insurmountable. Dallas Morning News, 6 Feb. 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 15 Feb. 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

Last Updated: - Updated example sentences
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