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.
Tasks that once felt simple like opening mail or paying bills can feel insurmountable. Tiffany Aliche, SELF, 23 Feb. 2026 Indeed, like Rogen’s character, the pair have — against almost insurmountable odds — completely transformed their own 102-year-old institution. Gregory Ellwood, Los Angeles Times, 23 Feb. 2026 Close to 40 years later, another team analyzed her tooth, which challenged previous research, placing her life somewhere between 113 BCE and 65 CE, which left an insurmountable 100-year gap between the two findings. Maria Mocerino, Interesting Engineering, 21 Feb. 2026 During the show’s 2023 Broadway run, SRO audiences were encouraged to dance in place and ponder despots at the same time — a greater disassotiative challenge than walking and chewing gum at the same time, but hardly an insurmountable one. Chris Willman, Variety, 21 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

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Cite this Entry

“Insurmountable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insurmountable. Accessed 2 Mar. 2026.

Kids Definition

insurmountable

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

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