IGNEOUS Synonyms: 77 Similar and Opposite Words

igneous

adjective

Definition of igneous

as in ardent

having to do with or suggestive of fire an igneous desert atmosphere igneous events such as volcanic eruptions

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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 igneous Olivine is a mineral primarily found in igneous rocks (rocks created through the solidification and crystallization of molten rock) that are rich in magnesium and iron. — Lydia Mansel, Travel + Leisure, 26 May 2026 After remotely examining the rock’s chemistry, researchers learned Arethusa is largely igneous minerals dating even further back than the Jezero Crater itself. — Andrew Paul, Popular Science, 13 May 2026 Formed from the uplift of igneous and metamorphic rock and carved by the Colorado River through erosion, the Grand Canyon remains one of America's natural treasures. — Michael Salerno, AZCentral.com, 8 May 2026 These curious metallic lumps, sometimes stratified like igneous rock can provide clear ideas of what the final produce may be like. — David Phelan, Forbes.com, 29 Apr. 2026 See All Example Sentences for igneous

Recent Examples of Synonyms for igneous

Adjective

Six of the paper’s journalists have been murdered during its three and a half decades of operation, including Anna Politkovskaya, an ardent critic of President Vladimir Putin who reported extensively on human rights abuses in Chechnya.

— Zahra Ullah, CNN Money, 30 Oct. 2026
Whatever the reason, Anderson left behind a catalog full of such gems, tucked away on B-sides waiting to be discovered by his most ardent fans.

— Josh Crutchmer, Rolling Stone, 23 Oct. 2026

Definition of ardent

Adjective

According to the University, Shao is examining the possibility of turning nuclear waste into a fuel using a thorium molten salt reactor under this project.

— Muskan Bhatia, Interesting Engineering, 30 Oct. 2026
Rather than dealing with molten salts and potential phase transition, 247Solar heats up ceramic pellets roughly the size of a golf ball.

— ArsTechnica, ArsTechnica, 29 Oct. 2026

Definition of molten

Adjective

Palace Wellness is similarly substantial, with a 25-metre indoor infinity pool and a heated outdoor pool overlooking the lake and mountains.

— Fergus Scholes, TheWeek, 3 Nov. 2026
The Spa Kindred Spa is outfitted with two oversized hot tubs, a heated pool—with excellent views of the ski area—a serene lounge, three treatment rooms, and a beauty salon.

— Evie Carrick, Travel + Leisure, 3 Nov. 2026

Definition of heated

Adjective

Across living spaces, clean doorknobs and light switches, vacuum carpets thoroughly and sweep then mop hard floors with hot soapy water.

— Samantha Agate, Charlotte Observer, 6 Nov. 2026
Long story short, campers stay warmer on cold nights and cooler on hot nights without a loud, emissions-spewing engine or generator running in the background.

— New Atlas, New Atlas, 6 Nov. 2026

Definition of hot

Adjective

The sky is ablaze with fiery colors all along the horizon where the deep lunar shadow drops off.

— IEEE Spectrum, IEEE Spectrum, 5 Nov. 2026
Sometimes the bag is the outfit, as evidenced by this fiery red mini bag that delivers a punchy pop of color.

— Better Homes & Gardens, Better Homes & Gardens, 5 Nov. 2026

Definition of fiery

Adjective

The restaurant has a tropical dive bar feel, with plenty of diner favorites reimagined like a custardy Thai tea babka, French toast, and a signature Thai Diner egg sandwich made with Isan-style sausage wrapped in a plush roti.

— Ali Domrongchai, Condé Nast Traveler, 2 Nov. 2026
Somewhere in Australia’s tropical northeast, a tiny spider twitches in its sleep.

— New Atlas, New Atlas, 2 Nov. 2026

Definition of tropical

Adjective

More humane methods of killing lobsters pre-boiling include a sharp knife through the head, electrical stunning, or freezing.

— semafor.com, semafor.com, 29 Dec. 2025
Agrawal and her team studied ionic liquids — salts that are liquid at sub-boiling temperatures (below 212 degrees Fahrenheit, or 100 degrees Celsius) — as a potential hospitable environment for life.

— Stefanie Waldek, Space.com, 13 Aug. 2025

Definition of boiling

Adjective

Why the ridiculous prices are worth it Bob Baffert grabs a water out of a nearby cooler to keep the searing heat and humidity at bay.

— Dana O’Neil, CNN Money, 30 Oct. 2026
Interviews are supplemented with archival clips of Perry’s screen work and interviews, and some of the show’s most searing material is conveyed in the actor’s own (previously recorded and publicized) voice.

— Alison Herman, Variety, 27 Oct. 2026

Definition of searing

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ifs

igneous

ignes fatui

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“Igneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/igneous. Accessed 7 Nov. 2026.

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Synonyms of igneous

adjective

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