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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Recent Examples of igneous
Mafic igneous rock is a material rich in specific minerals that forms when magma cools.
—
Kate S. Petersen, USA TODAY, 21 Feb. 2025
The park’s seven-acre boulder field contains piles of large diabase (an igneous rock) stones formed some 175 million years ago that sound like bells when hit with a hammer.
—Emily Matchar, Smithsonian Magazine, 27 Jan. 2025
Unlike most Martian meteorites, which are mainly igneous or mantle rocks, these provide unique insights into Mars’ geologic history.
—Bojan Stojkovski, Interesting Engineering, 23 Nov. 2024
This magma then pushed through the cracks in the rocks around it, cooling and crystallizing over millions of years to form Spruce Pine’s bounty of pegmatites—igneous rock that’s chock-full of quartz crystals.
—Olatunji Osho-Williams, Smithsonian Magazine, 3 Oct. 2024
See All Example Sentences for igneous
Kate S. Petersen, USA TODAY, 21 Feb. 2025
The park’s seven-acre boulder field contains piles of large diabase (an igneous rock) stones formed some 175 million years ago that sound like bells when hit with a hammer.
—Emily Matchar, Smithsonian Magazine, 27 Jan. 2025
Unlike most Martian meteorites, which are mainly igneous or mantle rocks, these provide unique insights into Mars’ geologic history.
—Bojan Stojkovski, Interesting Engineering, 23 Nov. 2024
This magma then pushed through the cracks in the rocks around it, cooling and crystallizing over millions of years to form Spruce Pine’s bounty of pegmatites—igneous rock that’s chock-full of quartz crystals.
—Olatunji Osho-Williams, Smithsonian Magazine, 3 Oct. 2024
See All Example Sentences for igneous
Recent Examples of Synonyms for igneous
Adjective
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By the end, even the most ardent England supporter had to have some sympathy with Italy.—
Michael Cox,
New York Times,
23 July 2025
-
Marjorie Taylor Greene—Georgia’s 14th District The firebrand Republican has been one of Trump’s most ardent supporters on Capitol Hill since her election in 2021.—
Nik Popli,
Time,
21 July 2025
Adjective
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Nestled in a warm, soft pretzel bun, this bold creation features a juicy beef patty surrounded by a bubbling pool of molten fondue cheese—rich, creamy, and irresistible.—
Aly Walansky,
Forbes.com,
22 July 2025
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There, a mantle plume or upwelling — a pillar of unusually warm molten material — moves upwards, driving the division of these rifts and the opening of the ocean basin above.—
Sam Walters,
Discover Magazine,
25 June 2025
Adjective
-
There are heated debates about whether certain subject headings are warranted.—
Lance Eliot,
Forbes.com,
20 July 2025
-
With the deadline fast approaching, a key House committee eventually came to an agreement to placate its Republican members, at least for the time being, without angering Trump, who has asked his supporters to move on from the heated issue.—
Savannah Kuchar,
USA Today,
19 July 2025
Adjective
-
Menu highlights include the hot honey chicken sandwich, loaded hot Nashville fries and classic hot tenders. Details: 8386 W. Thunderbird Road, Suite 103, Peoria.—
Endia Fontanez,
AZCentral.com,
22 July 2025
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According to data from the National Oceanic and Atmospheric Administration, the two hottest days on record for Tennessee occurred less than two weeks apart in 1930.—
Joyce Orlando,
The Tennessean,
22 July 2025
Adjective
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In another, cucumber kimchi, a fresh and crunchy side dressed in gochujang with a fiery kick that cuts through the richness filling the rest of my tray.—
Rachel Bernhard,
jsonline.com,
22 July 2025
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One fiery comment that’s floating around is that this could turn out to be another semblance of the infamous Sputnik crisis.—
Lance Eliot,
Forbes.com,
22 July 2025
Adjective
-
One idea is that about a million years after the Big Bang, the universe cooled and underwent a phase transition, an event similar to how boiling water turns liquid into gas.—
Yasemin Saplakoglu,
Scientific American,
3 Mar. 2020
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If candy is still stuck on, pour more boiling water over whatever hasn’t come clean.—
Washington Post,
Washington Post,
3 Dec. 2019
Adjective
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Parts of southeast Texas could see storms this week due to a tropical disturbance that recently moved through the Gulf.—
Marley Malenfant,
Austin American Statesman,
22 July 2025
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To step inside your private bungalow, available in one-bedroom, two-bedroom, and three-bedroom layouts, feels like stepping inside a gingerbread house with a tropical twist.—
Carley Rojas Ávila,
Forbes.com,
18 July 2025
Adjective
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In a searing rebuttal days before the British socialite was convicted for procuring victims for Epstein’s abuse in December 2021, Comey spoke to the perverted duo’s reasons for targeting teens from disadvantaged backgrounds.—
Molly Crane-Newman,
New York Daily News,
17 July 2025
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In a searing ruling against the Trump administration, a federal judge on Friday temporarily blocked federal agents from using racial profiling to carry out indiscriminate immigration arrests that advocates say have terrorized Angelenos, forced people into hiding and damaged the local economy.—
Los Angeles Times,
Los Angeles Times,
12 July 2025
Cite this Entry
“Igneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/igneous. Accessed 5 Aug. 2025.
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