INSURMOUNTABLE Synonyms: 44 Similar and Opposite Words

insurmountable

adjective

ˌin(t)-sər-ˈmau̇n-tə-bəl

Definition of insurmountable

as in insuperable

incapable of being defeated, overcome, or subdued the familiar story of the underdog who ultimately triumphs despite insurmountable odds

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Example Sentences

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.

Recent Examples of insurmountable The Constitution’s requirement of a two-thirds super-majority to remove a leader guilty of high crimes and misdemeanors is an all but insurmountable barrier in a country that has become as divided as this one. — Susan B. Glasser, New Yorker, 3 Nov. 2026 With Joanne’s no-seriously-this-time decision to convert, previously insurmountable obstacles have melted away. — Angie Han, HollywoodReporter, 22 Oct. 2026 D’Eriq King, Miami, 2020 King used his arm and his feet to slice and dice the Seminoles en route to an insurmountable 38-3 halftime lead which ended up as a 52-10 win. — Steve Svekis, Sun Sentinel, 17 Oct. 2026 The Oscars love sprawling biopics, underdogs and triumphant stories in which seemingly insurmountable obstacles are eventually overcome. — Clayton Davis, Variety, 8 Oct. 2026 See All Example Sentences for insurmountable

Recent Examples of Synonyms for insurmountable

Adjective

Orban succeeded in this enterprise to what seemed like an insuperable level.

— Melik Kaylan, Forbes.com, 28 Apr. 2026
Raise the stakes, place insuperable obstacles before the protagonist, have the protagonist somehow surmount them while becoming braver and better.

— Adam Gopnik, New Yorker, 9 June 2025

Definition of insuperable

Adjective

But the advent of NIL has turned the gap into an unconquerable chasm.

— Dana O’Neil, CNN Money, 6 Sep. 2026
The rescue party made its way to New York harbor by train, private car, and then two bicycles shared among the three of them—Frank, Sarah’s husband, on one; Sarah and Billo on the other—when shipyard traffic proved unconquerable by automobile.

— Claire Carusillo, Harpers Magazine, 4 Aug. 2026

Definition of unconquerable

Adjective

At a Thursday post-election conference organized by the Center for American Progress, Senate Democratic Leader Chuck Schumer said that the people who’d beaten invincible-looking Republicans needed space to vote and govern their way.

— David Weigel, semafor.com, 6 Nov. 2026
That being said, pothos isn’t invincible, and incorrect watering can cause the plant to wilt and die.

— Helena Madden, Martha Stewart, 2 Nov. 2026

Definition of invincible

Adjective

Saturday’s Duke-Miami game will feature an unstoppable force versus an immovable object.

— Adam Lichtenstein, Sun Sentinel, 11 Nov. 2026
At the time of Huang’s speech, delivered in his trademark black leather jacket, Nvidia appeared to be on an unstoppable trajectory, hurtling towards a historic $5 trillion market valuation.

— Clare Duffy, CNN Money, 11 Nov. 2026

Definition of unstoppable

Adjective

But the constant remains the indomitable Mahomes, whose zealous return from knee surgery reflects his rare competitive spirit.

— Kansas City Star, Kansas City Star, 29 Oct. 2026
Her memoir is a meditation on grief and the indomitable nature of the human spirit that finds hope in the midst of despair.

— Suzanne Van Atten, AJC.com, 28 Oct. 2026

Definition of indomitable

Adjective

With unbeatable comfort, support, and style, the brand offers thoughtful (and discounted) gifts Mom will actually want to wear.

— Katie Decker-Jacoby, StyleCaster, 5 Nov. 2026
For The Times) Though Becerra is considered unbeatable in blue California in the race, many Hilton fans are clinging to hope that the Republican candidate will overcome the odds.

— Seema Mehta, Los Angeles Times, 1 Nov. 2026

Definition of unbeatable

Adjective

Villains like Ted Bundy are imagined to be relatively invulnerable to pain, even in a scenario as basic as stepping barefoot on a shard of glass.

— Paul Bloom, New Yorker, 6 Nov. 2026
Historically, being a strong leader meant being invulnerable and stoic—showing no signs of weakness.

— Krishna Savani, Harvard Business Review, 12 Oct. 2026

Definition of invulnerable

Adjective

Perhaps these almost impregnable offspring evolved to survive predation by now-extinct mastodons.

— Carl R. Gold, Baltimore Sun, 8 Nov. 2026
Democrats have secured control of the Senate, a shocking collapse for a Republican majority that started the midterms with what looked like an impregnable red wall of conservative states.

— Burgess Everett, semafor.com, 4 Nov. 2026

Definition of impregnable

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insuring

insurmountable

insurrection

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“Insurmountable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insurmountable. Accessed 15 Nov. 2026.

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Synonyms of insurmountable

adjective

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