UNSTOPPABLE Synonyms: 44 Similar and Opposite Words

unstoppable

adjective

ˌən-ˈstä-pə-bəl

Definition of unstoppable

as in invincible

incapable of being defeated, overcome, or subdued at this point she's so far ahead in the polls that she's unstoppable

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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 unstoppable Katseye feels unstoppable, even if two of the six members are on hiatus. — Alejandra Gularte, Vulture, 24 Aug. 2026 Bueckers was unstoppable in the first quarter, making seven of her eight shot attempts, including all four 3-pointers. — ABC News, 23 Aug. 2026 For years, California's population growth seemed unstoppable. — James Ward, USA Today, 20 Aug. 2026 The scientist who is compelled by an unstoppable need to know, despite being aware of the danger, is a familiar trope in sci-fi and horror novels and films. — Carline Tromp, The Dial, 18 Aug. 2026 See All Example Sentences for unstoppable

Recent Examples of Synonyms for unstoppable

Adjective

Panettiere featured as the virtually invincible high school cheerleader Claire Bennet on the series across four seasons.

— Charisma Madarang, Rolling Stone, 19 Aug. 2026
Maceta stood contemplating the invincible green of the pastureland.

— Literary Hub, Literary Hub, 14 Aug. 2026

Definition of invincible

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

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

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

Adjective

Kansas City has won seven straight at home, only the fourth time in franchise history the team has completed an undefeated homestand of seven or more games.

— ABC News, ABC News, 23 Aug. 2026
Speaking of the Ducks, Dan Lanning already has a semifinal appearance and a separate undefeated regular season in four years as a head coach, and six of his eight losses have come against teams that played for the national title.

— Chris Vannini, New York Times, 18 Aug. 2026

Definition of undefeated

Browse Nearby Words

unstop

unstoppable

unstopped

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“Unstoppable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unstoppable. Accessed 30 Aug. 2026.

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Synonyms of unstoppable

adjective

Example Sentences

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