INDOMITABLE Synonyms: 44 Similar and Opposite Words

indomitable

adjective

in-ˈdä-mə-tə-bəl

Definition of indomitable

as in unconquerable

incapable of being defeated, overcome, or subdued an indomitable spirit was needed to endure the rigors of pioneer life

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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 indomitable Such a situation can be even more difficult to handle than facing an indomitable champion on the other side of the net. — Charlotte Harpur, New York Times, 3 June 2026 As our cantankerous lead, Molina harumphs lovably from scene to scene, conveying both his character’s indomitable will and the wretchedness of his grief. — Graham Hillard, The Washington Examiner, 31 May 2026 The show lives and dies on these brothers, their relationship with each other, and, of course, their indomitable Auntie Lucky, played to perfection by Poorna Jagannathan. — Michelle Nader, IndieWire, 30 May 2026 Nico Ochoa is delightful in the role, equal parts indomitable and vulnerable. — Christopher Arnott, Hartford Courant, 8 May 2026 See All Example Sentences for indomitable

Recent Examples of Synonyms for 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

But then grandparents started using email to communicate with their grandkids and the wave became unstoppable.

— Robbie Morrison, Forbes.com, 4 Aug. 2026
Decades into her career, Shakira remains an unstoppable force — and her current streaming success proves it.

— Maya Georgi, Rolling Stone, 27 July 2026

Definition of unstoppable

Adjective

Should the Arizona Diamondbacks beat the San Diego Padres later Wednesday evening, their once insurmountable 14-game lead over second place will drop to eight games.

— Ian Miller OutKick, FOXNews.com, 6 Aug. 2026
Ferrand-Prevot won last year with a decisive climb on the Col de la Madeleine, creating an insurmountable gap to her rivals.

— Jessica Hopkins, New York Times, 4 Aug. 2026

Definition of insurmountable

Adjective

An armored personnel carrier whisked President Lai Ching-te and members of his staff from their offices in the capital Taipei to a fortified command center near the Defense Ministry, a statement from the president’s office said.

— Brad Lendon, CNN Money, 7 Aug. 2026
One Secret Service agent was struck in the chest by a round but survived due to wearing an armored vest.

— Sarah Rumpf-Whitten, FOXNews.com, 6 Aug. 2026

Definition of armored

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

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
As recidivist would-be escapees, de Boeldieu, Marechal, and Rosenthal are transferred to an impregnable medieval fortress, commanded by Captain von Rauffenstein, now burnt, broken in body, and wearing a neck brace.

— Thomas Doherty, HollywoodReporter, 18 July 2026

Definition of impregnable

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“Indomitable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indomitable. Accessed 13 Aug. 2026.

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Synonyms of indomitable

adjective

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