IRONCLAD Synonyms: 107 Similar and Opposite Words

ironclad 1 of 2

adjective

Definition of ironclad

as in powerful

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ironclad

2 of 2

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 ironclad

Adjective

Ossoff, Georgia's first Jewish senator, says his support for Israel is ironclad. — Sam Gringlas, NPR, 27 Aug. 2026 Watson, who continues to deny any wrongdoing, has not earned a dollar of his ironclad contract and hasn’t at all looked like an NFL quarterback, especially during that Saturday make-believe matchup against the Buffalo Bills. — Candace Buckner, New York Times, 25 Aug. 2026

Noun

Bound by ironclad nondisclosure agreements, Madison reveals that Facebook leadership was well aware of the platform’s harmful effects on teens — and its knowing proliferation of misinformation, which contributed to acts of political violence. — Matt Donnelly, Variety, 14 Apr. 2026 The ironclad’s tenure at sea was short-lived, however. — Andrew Paul, Popular Science, 11 Mar. 2026 See All Example Sentences for ironclad

Recent Examples of Synonyms for ironclad

Adjective

The centrepiece of the archaeological site is a massive rock which is more than 20 feet long and features an intriguing engraving of a powerful being.

— James Rampton, TheWeek, 3 Nov. 2026
View gallery - 5 images High-performance electric dirt bikes are becoming increasingly capable, but stepping into the more powerful end of the market often requires a considerable investment.

— New Atlas, New Atlas, 2 Nov. 2026

Definition of powerful

Noun

In August, at Finland’s request, the Swedish government deployed fighter aircraft and a warship to help patrol Finland’s eastern airspace and the Gulf of Finland against Russian air incursions and drones straying from Ukrainian operations.

— Foreign Affairs, Foreign Affairs, 30 Oct. 2026
The experience highlighted a central problem in warship procurement; selecting an existing design does not necessarily guarantee faster or cheaper construction if the customer substantially changes its architecture.

— Prabhat Ranjan Mishra, Interesting Engineering, 29 Oct. 2026

Definition of warship

Adjective

The great Argentine folk-singer Mercedes Sosa came across on stage as an imposing warm stage presence and an unyielding champion of the poor.

— John Hopewell, Variety, 2 Nov. 2026
The bow, preserved by Janaka’s royal dynasty, is so unyielding that no suitor has yet succeeded in stringing it.

— Tamanna Nangia, Encyclopedia Britannica, 30 Oct. 2026

Definition of unyielding

Noun

That last pandemic was accelerated by a boom in rail and steamship travel but was eventually quashed by advances in science.

— Faye Flam, Scientific American, 27 Oct. 2026
Passenger boats have not passed through these parts since the days of the steamship petered all the way out some 60 years ago.

— Charlie Hobbs, Condé Nast Traveler, 17 Sep. 2026

Definition of steamship

Noun

In September, Puntland authorities said pirates killed five crew members of the tanker MT Honour 25 before security forces recovered it.

— ABC News, ABC News, 3 Nov. 2026
The tanker had switched off its navigation systems, Fars said, referring to a common practice by commercial vessels trying to obscure their movements in the region.

— CBS News, CBS News, 2 Nov. 2026

Definition of tanker

Browse Nearby Words

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ironclad

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Style

“Ironclad.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ironclad. Accessed 7 Nov. 2026.

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Synonyms of ironclad

adjective

noun

Example Sentences

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