INCONVINCIBLE Synonyms: 112 Similar and Opposite Words

inconvincible

adjective

ˌin-kən-ˈvin(t)-sə-bəl

Definition of inconvincible

as in adamant

sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion she's inconvincible on the issue as she is on everything else, so don't even bother

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Recent Examples of Synonyms for inconvincible

Adjective

Schnell was adamant that the film crew couldn’t provide any help to him.

— Georg Szalai, HollywoodReporter, 17 Oct. 2026
Lander was adamant that rezonings didn’t have to go the way of Williamsburg.

— Kim Velsey, Curbed, 9 Oct. 2026

Definition of adamant

Adjective

O’Brien’s Ted Keegan is a father, farmer and military veteran — a hardened man who’s spent much of his life following orders and keeping secrets.

— Matt Grobar, Deadline, 15 Oct. 2026
And yet, for a millennia after the fall of Rome, the world largely forgot about concrete, until, in the 18th century, an English mason found that mixing limestone and clay could form a paste that hardened underwater.

— Sara Herschander, Vox, 15 Oct. 2026

Definition of hardened

Adjective

Meanwhile, waiting in the wings is a man of few words — and initially, few feelings, or so thinks Marianne — the steadfast Colonel Brandon (Herbert Nordrum).

— ABC News, ABC News, 14 Oct. 2026
The poem continues with more verses about Burns’s steadfast love, but beyond that, nothing really happens.

— René Ostberg, Encyclopedia Britannica, 14 Oct. 2026

Definition of steadfast

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.

Browse Nearby Words

inconvenient

inconvincible

incorporate

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“Inconvincible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconvincible. Accessed 20 Oct. 2026.

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Synonyms of inconvincible

adjective

Example Sentences

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