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

So the Armani Beauty team took the time to build a present, long-lasting, powerful scent.

— Jennifer Weil, Footwear News, 6 Aug. 2026
This formula is light as a feather and hydrating, sort of like a hyaluronic acid serum that’s powerful yet quick to sink into the skin.

— Reece Andavolgyi, InStyle, 6 Aug. 2026

Definition of powerful

Noun

The warship is designed to carry 64 strike-length Vertical Launch System (VLS) cells capable of firing a broad range of air defense, ballistic missile defense, and land-attack missiles.

— Sujita Sinha, Interesting Engineering, 4 Aug. 2026
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

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

As for these spices’ association with the mighty pumpkin, several cookbooks from the 17th and 18th centuries feature pumpkin pie recipes that call for such flavorings.

— René Ostberg, Encyclopedia Britannica, 7 Aug. 2026
But a recent report on used‑car data from iSeeCars suggests that even the mighty 911 may not be immune to a cooling market.

— Michael Harley, Forbes.com, 6 Aug. 2026

Definition of mighty

Noun

Six vessels moved into the Persian Gulf — five cargo ships and one tanker — while one cargo ship exited into the Gulf of Oman.

— Sophia Saifi, CNN Money, 7 Aug. 2026
Meanwhile, a tanker reported hearing two explosions off the coast of Oman while transiting Hormuz, according to a Wednesday incident report from the United Kingdom Maritime Trade Operations Centre.

— Spencer Kimball, CNBC, 6 Aug. 2026

Definition of tanker

Adjective

Rookie kicker Trey Smack had a solid night, hitting 6-of-7 field goals, and the team introduced live tackling for younger players.

— Rob Reischel, Forbes.com, 8 Aug. 2026
An open floor plan and exposed solid wood beams set a lovely tone for this beautiful home, as does the vintage wood-burning stove and Dutch-style farm doors.

— Elise Taylor, Vogue, 7 Aug. 2026

Definition of solid

Noun

Infused with menthol and essential oils, each steamer releases a refreshing scent for 10 to 15 minutes and is individually wrapped for easy storage or travel.

— ABC News, ABC News, 8 Aug. 2026
With little formal education, Mulholland had left his native Ireland in his teens, worked steamer ships on the Great Lakes, labored in lumber camps and prospected for gold.

— Los Angeles Times, Los Angeles Times, 6 Aug. 2026

Definition of steamer

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ironbound

ironclad

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Style

“Ironclad.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ironclad. Accessed 11 Aug. 2026.

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Synonyms of ironclad

adjective

noun

Example Sentences

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