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

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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

Everyone has a plan, sure, and sometimes an ironclad belief in their motivations for that plan, but something always twists itself into a messy little knot in the execution. — Brian Grubb, Vulture, 10 Aug. 2026 Democrats are hopeful that the disparate party turnout could signal a grim outlook for Republicans’ ironclad control of state politics. — Jack Harvel, Kansas City Star, 6 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

That gives Qatar a powerful reason to keep talks moving between Tehran and Washington.

— Lauren Morganbesser, semafor.com, 22 Sep. 2026
The brain responds to these intermittent rewards with powerful reinforcement.

— Literary Hub, Literary Hub, 22 Sep. 2026

Definition of powerful

Noun

Earlier this week, Denmark accused a Russian warship of firing two emergency flares at a Danish military helicopter over the Baltic Sea.

— David Zimmermann, The Washington Examiner, 19 Sep. 2026
Also on Tuesday, the Danish Armed Forces said a Danish military helicopter was targeted by a Russian warship, which fired two emergency flares while the helicopter was taking routine photographs of the vessel in international waters on Monday.

— Arina Porkhovnik, CNN Money, 15 Sep. 2026

Definition of warship

Adjective

His unyielding tongue-in-cheek career narrative touches on craftsmanship, luxury and nihilism.

— Rosemary Feitelberg, Footwear News, 10 Sep. 2026
Wingard confirms that remnants of the organization are very much behind Onslaught’s more unyielding super-soldier program.

— Brian Davids, HollywoodReporter, 8 Sep. 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

Although the Nordics fell out of love with the south of Sweden when the Med started attracting the rich and famous in the 1970s, a small but mighty renaissance is taking place on the Swedish countryside and shores.

— Michelle Tchea, Robb Report, 17 Sep. 2026
Sunday, the Carolina Panthers gave up a franchise-most 59 points against the Chicago Bears — a result that surprised most of the NFL given the Panthers’ mighty investment on that side of the ball this offseason.

— Alex Zietlow, Charlotte Observer, 17 Sep. 2026

Definition of mighty

Adjective

Oriahi has a solid handle on all craft aspects, though only the costumes by Yolanda Okereke are particularly distinguishable — her color stories popping in almost every scene.

— Murtada Elfadl, Variety, 16 Sep. 2026
Multiple team members held solid relationships with their wholesalers, and his systems ran the operation whether Bruno was on-site or traveling.

— Jason Sisneros, Forbes.com, 16 Sep. 2026

Definition of solid

Browse Nearby Words

ironbound

ironclad

ironclads

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Style

“Ironclad.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ironclad. Accessed 23 Sep. 2026.

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Synonyms of ironclad

adjective

noun

Example Sentences

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