IRONCLAD Synonyms: 107 Similar and Opposite Words

ironclad 1 of 2

adjective

Definition of ironclad

as in powerful

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Dissimilar Words

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

But its trajectory is not ironclad, and some have questioned the timing of the deal given Roku's current positive momentum. — Lillian Rizzo, CNBC, 16 June 2026 When the chemistry between her and the company's new attorney, played by Brett Goldstein, gets too heated to ignore, the airline's ironclad anti-fraternization policy starts to rust, and chaos ensues. — K. Thor Jensen, PC Magazine, 12 June 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

Immediately after that, a powerful blast rips through the street.

— Ivana Kottasová, CNN Money, 20 Aug. 2026
McLaurin, the nominee for lieutenant governor, is trying to become the first Democrat to win the powerful seat since Mark Taylor left office in 2007.

— David Wickert, AJC.com, 20 Aug. 2026

Definition of powerful

Noun

The incident was due to an engineering failure aboard the warship, the US 7th Fleet said in a statement to CNN, another setback as concerns mount over the heavy strain on the US Navy due to the Iran war and global commitments.

— Brad Lendon, CNN Money, 17 Aug. 2026
The advanced warship features next-generation technologies such as electromagnetic systems and dual nuclear reactors, with delivery anticipated in 2027.

— Maria Mocerino, Interesting Engineering, 16 Aug. 2026

Definition of warship

Adjective

As each day passed, Safir grew stronger and stronger, meeting every new challenge with an unyielding resistance.

— Kayla Grant, PEOPLE, 29 July 2026
Despite its simple premise, Raimi’s eccentric, expressive filmmaking style, combined with the film’s unyielding, cacophonous splatter horror, made The Evil Dead instantly notorious.

— Brianna Zigler, Entertainment Weekly, 10 July 2026

Definition of unyielding

Noun

The ferry also stops on Ellis Island, part of the national park, and is famous for processing more than 12 million immigrant steamship passengers through its federal immigration station from 1892 to 1954.

— Condé Nast, Condé Nast Traveler, 2 Aug. 2026
The seasoning’s name is a nod to the region’s maritime history and is named for the Old Bay Line, a passenger steamship that traveled the Chesapeake Bay between Baltimore and Norfolk, Virginia, in the early 1900s.

— Nicole Letts, Southern Living, 31 July 2026

Definition of steamship

Adjective

The object looks like a star the size of our solar system, but produces 100 billion times more energy than any star — a mighty blast of power closer to what is produced by a black hole.

— CBS News, CBS News, 12 Aug. 2026
In a world inundated with rage bait and political turmoil, that’s a mighty valuable export.

— Alison Foreman, IndieWire, 12 Aug. 2026

Definition of mighty

Noun

At least one ship entered using the Iranian route, and a small tanker laden with Iranian fuel oil exited, data showed.

— August 17, CBS News, 17 Aug. 2026
Of the outbound traffic, four vessels — including a tanker laden with 2 million barrels of Saudi crude - sailed with their satellite trackers off.

— Charlotte Reck, CNN Money, 16 Aug. 2026

Definition of tanker

Adjective

There's some solid Santa Maria-style BBQ tri-tip, as well as Tex Mex classics like nachos and quesadillas alongside a variety of burgers and fries.

— Condé Nast, Condé Nast Traveler, 15 Aug. 2026
Ryan Christie, Lewis Cook and Alex Toth are solid rotation options in midfield.

— Chris Weatherspoon, New York Times, 14 Aug. 2026

Definition of solid

Noun

Made from lightweight, stretchy nylon and spandex fabric, it can be worn right out of your suitcase without having to break out a steamer.

— Mariette Williams, Travel + Leisure, 13 Aug. 2026
Its knit fabric never requires an iron or steamer, and it’s held up through countless washes without pilling despite my lackadaisical approach to laundry.

— Maggie Horton, PEOPLE, 13 Aug. 2026

Definition of steamer

Browse Nearby Words

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“Ironclad.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ironclad. Accessed 20 Aug. 2026.

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Synonyms of ironclad

adjective

noun

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