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

As fiduciaries, pension system administrators make an ironclad commitment to employees to act with only this goal in mind. — Zachary Christensen, Oc Register, 14 May 2026 Why introduce that friction to a friendship that is so ironclad? — Kennedy French, Variety, 13 May 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 twist is that she’s already attached to Reynolds (Ben Foster), who looks like a dweeb — but is, in fact, an extremely wealthy and powerful drug kingpin.

— Owen Gleiberman, Variety, 16 July 2026
Ruemmler is the latest prominent figure called before the House Oversight Committee as lawmakers investigate the network of powerful people connected with Epstein.

— ABC News, ABC News, 15 July 2026

Definition of powerful

Noun

For Odysseus’ main vessel, the production used the Draken, a 115-foot boat located in Stavanger, Norway, that the art department could transform into a Mycenaean warship with relatively few modifications.

— Bilge Ebiri, Vulture, 14 July 2026
The ceremony moves the warship closer to delivery as the Navy expands a fleet designed to counter increasingly complex air and missile threats.

— Aamir Khollam, Interesting Engineering, 13 July 2026

Definition of warship

Adjective

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
The things museums collect are often obstinate and unyielding; research and context can be a way of coaxing them to speak.

— Kelly Presutti, ARTnews.com, 26 June 2026

Definition of unyielding

Noun

Those who chose to rest on the banks of the Potomac River could be seen by steamship passengers playing bridge and dancing in the river breeze.

— Hana Kiros, The Atlantic, 3 July 2026
With the advent of the steamship, the cost of passage plummeted, and companies offered special immigrant fares that were often coupled with rail tickets to the interior of the country.

— Albert Sun, New York Times, 2 July 2026

Definition of steamship

Adjective

These adapters are small but mighty, and have saved me from losing power on multiple occasions.

— Jamie Davis Smith, Travel + Leisure, 18 July 2026
But the three-game series beginning Friday night should nonetheless help show how the championship-hopeful Yankees measure up to a mighty Dodgers team that’s won the last two World Series and boasts MLB’s best record this year, too.

— Peter Sblendorio, New York Daily News, 17 July 2026

Definition of mighty

Noun

Oil prices rose above $90 a barrel for the first time in more than a month, as the conflict between the United States and Iran escalated further, resulting in the deaths of three US service members and a strike on a tanker.

— Hanna Ziady, CNN Money, 20 July 2026
In comparison, about 300,000 barrels could be loaded onto a vessel that shuttles cargoes out to a bigger tanker offshore holding around 700,000 barrels.

— Bloomberg News, Boston Herald, 18 July 2026

Definition of tanker

Adjective

Favorable rainfall trends across major producing nations, including Spain, have paved the way for a solid global yield for the upcoming harvest, Valdés said, consolidating a more robust and balanced global supply.

— Sam Meredith, CNBC, 17 July 2026
To solve this degradation problem, the research team focused on a specific sulfide solid electrolyte known as lithium phosphorus sulfur chloride (LPSCl).

— Mrigakshi Dixit, Interesting Engineering, 17 July 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 21 Jul. 2026.

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Synonyms of ironclad

adjective

noun

Example Sentences

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