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 Instead, as the circuit resumes after a summer break with the Dutch Grand Prix, everyone’s wondering if Kimi Antonelli’s lead is insurmountable. — Beau Dure, Forbes.com, 20 Aug. 2026 Sir Bobby Charlton’s 758-games appearance record for Manchester United was long considered insurmountable. — Andy Mitten, New York Times, 18 Aug. 2026 Ohtani’s two-run homer in the next inning, followed soon after by an RBI single from Pages, made the Dodgers’ lead insurmountable. — Maddie Lee, Los Angeles Times, 18 Aug. 2026 The rookie Cup driver only has 257 total points on the year — an insurmountable 712 points below the playoff cut-line. — Alex Zietlow, Charlotte Observer, 17 Aug. 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

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
The Spurs led for more minutes than the Knicks and built seemingly unconquerable leads.

— Dana O’Neil, CNN Money, 14 June 2026

Definition of unconquerable

Adjective

Throughout her 60-year career, Dolly Parton became an indomitable force in country music, helping bring the genre to mainstream dominance.

— AJ Willingham, AJC.com, 26 Aug. 2026
More than 70 years after her onscreen breakout, Audrey Hepburn‘s legacy is an indomitable Hollywood presence to attempt to recreate onscreen.

— Glenn Garner, Deadline, 16 Aug. 2026

Definition of indomitable

Adjective

Rooms could use some updating, but the Roppongi location—seemingly 20 minutes away from all of Tokyo’s attractions—is unbeatable.

— Condé Nast, Condé Nast Traveler, 25 Aug. 2026
My collection includes affordable Amazon basics , elevated Aritzia picks, unbeatable Nordstrom deals, and more, all of which will fit effortlessly into my suitcase (and are now shoppable in one place).

— Merrell Readman, Travel + Leisure, 24 Aug. 2026

Definition of unbeatable

Adjective

Google also doesn’t claim that SynthID is invulnerable—the original paper on the technology notes that the watermark is not intended to withstand adversarial attacks.

— ArsTechnica, ArsTechnica, 29 July 2026
For Ross, this gives the character a steadier presence than the standard invulnerable operative often found in genre fiction.

— Matt Emma, USA Today, 29 July 2026

Definition of invulnerable

Adjective

Dropped catches from Steve Smith, Green and Travis Head ensured yesterday's brief rally in the field fizzled out and allowed Bangladesh to bat itself into an almost impregnable position.

— ABC News, ABC News, 14 Aug. 2026
The shell of a good- sized adult abalone is more or less impregnable to most of the kelp forest’s predators, too strong and too thick for penetration.

— Literary Hub, Literary Hub, 29 July 2026

Definition of impregnable

Browse Nearby Words

insuring

insurmountable

insurrection

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“Insurmountable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insurmountable. Accessed 2 Sep. 2026.

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Synonyms of insurmountable

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

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