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 That was one of many factors that contributed to UM mustering just 26 yards on its final six possessions after the offense was again virtually unstoppable in the first half. — Barry Jackson, Miami Herald, 19 Sep. 2026 And then the Buckeyes beat Ball State 56-3 in Week 1, with Sayin and Smith looking unstoppable. — The Athletic College Football Staff, New York Times, 9 Sep. 2026 The 6-foot-2 senior middle blocker was unstoppable last Tuesday against Thousand Oaks. — Ethan Hanson, Daily News, 7 Sep. 2026 No smooth state-of-the-art romp, their vision deploys basic power tools, life-or-death desperation and unstoppable adrenaline. — Sheri Linden, HollywoodReporter, 4 Sep. 2026 See All Example Sentences for unstoppable

Recent Examples of Synonyms for unstoppable

Adjective

Hearing Ryan talk about particularly the metaphor for AIDS and what AIDS meant to him, and that AIDS was quite literally a thing killing beautiful young people in the ‘80s; people who felt untouchable and invincible.

— Jackie Strause, HollywoodReporter, 10 Sep. 2026
Cameron keeps upping the ante, until one becomes convinced the T-1000 is well-nigh invincible.

— ArsTechnica, ArsTechnica, 28 Aug. 2026

Definition of invincible

Adjective

In Martinez’s versions, Mirabai is indomitable, sexy, exceedingly earnest, sometimes funny, always speaking at the border of body and spirit.

— Craig Morgan Teicher, Literary Hub, 1 Oct. 2026
The minute-long trailer for the film documenting late heavy metal icon Ozzy Osbourne‘s final show is packed with emotion, tension, tears and, of course, the indomitable spirit of the Blizzard of Ozz himself.

— Gil Kaufman, Billboard, 24 Sep. 2026

Definition of indomitable

Adjective

The Anker Soundcore 2 sets the gold standard for budget portable audio, combining solid stereo clarity with an unbeatable 24-hour battery life.

— Juhi Wadia, PC Magazine, 29 Sep. 2026
The property combines centuries of history with chic interiors, excellent service, and an unbeatable location, mere steps away from Zurich’s central hub and iconic shops.

— Condé Nast, Condé Nast Traveler, 25 Sep. 2026

Definition of unbeatable

Adjective

The Oscars love sprawling biopics, underdogs and triumphant stories in which seemingly insurmountable obstacles are eventually overcome.

— Clayton Davis, Variety, 8 Oct. 2026
Of course, the Dodger bullpen almost handed the game back to them when Ozzie Albies hit a two-run homer off Tanner Scott in the ninth to close what seemed to be an insurmountable gap.

— Los Angeles Times, Los Angeles Times, 3 Oct. 2026

Definition of insurmountable

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

Why does Gleb discount the power of those words and feel himself invulnerable?

— Deborah Treisman, New Yorker, 27 Sep. 2026
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

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

Heading into Week 4, the 49ers remain undefeated and sit atop the NFC West, even ahead of reigning Super Bowl champions the Seattle Seahawks.

— Jason Cohen, PC Magazine, 4 Oct. 2026
The Hurricanes remain undefeated on the season at 5-0 — one of just 13 power conference teams (plus Notre Dame) with that distinction — and unblemished at 3-0 in ACC play.

— Jordan McPherson, Miami Herald, 4 Oct. 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 9 Oct. 2026.

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Synonyms of unstoppable

adjective

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