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 Gulf states’ military cooperation and strategic alliance with the US is steadfast and ironclad. — Faisal J. Abbas, semafor.com, 21 May 2026 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

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

Working with patrons Anadol counters that anyone can have free access to the models his studio develops, and that there's nothing new about contemporary artists' relationships with rich and powerful benefactors.

— Chloe Veltman, NPR, 29 July 2026
As time goes on, there will surely be more supporters – particularly among smaller, less financially powerful member associations – of Infantino’s idea.

— Patrick Sung Cuadrado, CNN Money, 29 July 2026

Definition of powerful

Noun

The warship and escorts are now at White Beach Naval Facility, Okinawa, where the 31st Marine Expeditionary Unit is being offloaded.

— Peter Suciu, Forbes.com, 22 July 2026
In a reminder of the growing international tensions Britain faces, a Russian warship carried out a live-fire weapons exercise in the English Channel on Monday, the day Burnham took office.

— ABC News, ABC News, 21 July 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 Brotherhood later sued a Chesapeake Bay steamship, named the Sue, that had refused to admit Black passengers to its first-class cabin.

— Jacques Kelly, Baltimore Sun, 17 July 2026
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

Definition of steamship

Adjective

The Rays, Cleveland Guardians, Detroit Tigers and San Francisco Giants spent every dollar; the Houston Astros saved one mighty buck and the spend-thrift Los Angeles Dodgers kept $20.

— Chuck Murr, Forbes.com, 31 July 2026
The Royals made a mighty effort to re-sign Beltran after the 2013 season that featured Brett being in on it.

— Vahe Gregorian July 29, Kansas City Star, 29 July 2026

Definition of mighty

Noun

The tanker has been grounded off the Dhofar coast since June, according to two shipping and maritime news outlets, who reported that the crew reported an explosion on board at the time.

— ABC News, ABC News, 1 Aug. 2026
On February 28, conflict erupted in the Persian Gulf and tanker traffic through the Strait of Hormuz collapsed by more than 90 percent within days, according to the UN's Food and Agriculture Organization.

— Ingmar Rentzhog, Forbes.com, 1 Aug. 2026

Definition of tanker

Adjective

Trump can point to a low unemployment rate and solid consumer spending as proof that the economy remains stable, yet there are few signs that these arguments have connected with the public.

— ABC News, ABC News, 1 Aug. 2026
But on Friday, after another solid day from the former South Carolina Gamecock, head coach Dave Canales had a simple response to how Brazzell’s absence might affect Legette.

— Alex Zietlow, Charlotte Observer, 1 Aug. 2026

Definition of solid

Noun

These came in a tiny bag folded very tightly—typically, that means breaking out the steamer or tossing them in the dryer with an ice cube.

— Kaelin Dodge, InStyle, 31 July 2026
In-room requests (like asking for a steamer, for instance) are handled swiftly via WhatsApp.

— Condé Nast, Condé Nast Traveler, 28 July 2026

Definition of steamer

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ironbound

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Cite this Entry

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“Ironclad.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ironclad. Accessed 5 Aug. 2026.

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Synonyms of ironclad

adjective

noun

Example Sentences

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