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

The leaders reaffirmed their ironclad commitment to ensuring that Iran never has nuclear weapons. — Mark Osborne, CBS News, 29 July 2026 Although idol contracts remain ironclad (as seen by the backlash to NewJeans’ attempts to leave), there are now more options for idols who choose not to renew once their contract period is up. — Hannah Abraham, Forbes.com, 8 July 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

Experts said it was most likely caused by a partial glacier collapse that sent tons of ice and rock crashing down into the valley below, setting off a powerful landslide.

— Jennifer Jett, NBC news, 27 Aug. 2026
Hacking incident Hugging Face was recently at the center of a hacking incident that raised concerns about the rapid evolution of powerful AI and cybersecurity tools.

— April Roach, CNBC, 27 Aug. 2026

Definition of powerful

Noun

The Boxer warship carries complex aviation, command and amphibious systems within a hull designed for global operations.

— Aamir Khollam, Interesting Engineering, 26 Aug. 2026
The warship, based in Yokosuka, Japan, is currently en route to the Middle East to relieve the USS Abraham Lincoln (CVN-72).

— Peter Suciu, Forbes.com, 20 Aug. 2026

Definition of warship

Adjective

While his on-field production for Philadelphia has been disappointing, his strong, unyielding personality continues to define his long career.

— Peter Chawaga, Forbes.com, 23 Aug. 2026
But what differentiates them from some of their peers is the unyielding pace of their live shows, all of it delivered with the grinning joy of playing rock ‘n’ roll.

— Melissa Ruggieri, USA Today, 18 Aug. 2026

Definition of unyielding

Noun

Most reached the region by steamship to Skagway or nearby Dyea, Alaska, before attempting to cross the Coast Mountains via the White Pass or Chilkoot trails.

— Bailey Berg, Travel + Leisure, 16 Aug. 2026
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

Definition of steamship

Adjective

Anything larger would’ve been biting off more than even mighty Roman, with its panoramic field of view, could readily chew.

— Adam Kovac, Scientific American, 29 Aug. 2026
Himalayan build-out The Himalayan landmass rises from shifting fault lines and is sliced by mighty rivers that are fed by glaciers.

— Simone McCarthy, CNN Money, 29 Aug. 2026

Definition of mighty

Noun

With tanker movement through the Strait of Hormuz slowed to a crawl, the price of Brent crude climbed from a prewar close of about $72 a barrel to as high as nearly $120.

— ABC News, ABC News, 30 Aug. 2026
Another tanker was struck by an unknown projectile while transiting inbound in the Strait of Hormuz on Saturday, using the southern lane along the Omani coast, according to the UK Maritime Trade Operations.

— Anniek Bao,Garrett Downs, CNBC, 30 Aug. 2026

Definition of tanker

Adjective

Made with solid brush fibers, the applicator combs and controls the placement of the product so the finish is clump-free.

— Kaleigh Werner, Footwear News, 28 Aug. 2026
Minasian didn’t deny that there have been problems in the ninth inning, and his larger point was that the Giants have solid relievers who can be part of a good bullpen.

— Justice delos Santos, Mercury News, 28 Aug. 2026

Definition of solid

Browse Nearby Words

ironbound

ironclad

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“Ironclad.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ironclad. Accessed 1 Sep. 2026.

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Synonyms of ironclad

adjective

noun

Example Sentences

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