ULTRAHEAVY Synonyms: 35 Similar and Opposite Words

ultraheavy

adjective

Definition of ultraheavy

as in massive

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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 ultraheavy In 2021, Ark Energy took a stake in Hyzon Motors, one of the few firms working on ultraheavy trucks powered by fuel cells. — IEEE Spectrum, 25 Dec. 2022

Recent Examples of Synonyms for ultraheavy

Adjective

PopZao, in theory, allows anyone with a following—now just massive IP machines—to develop merchandise.

— Nicholas Gordon, Fortune, 2 Oct. 2026
All this comes the same week that the company's massive Starship reached orbit for the first time.

— Arkansas Online, Arkansas Online, 2 Oct. 2026

Definition of massive

Adjective

Bolsonaro argues Brazil's hefty national debt is holding back the economy and a top campaign adviser has pledged to reduce it by slashing spending along the lines of Argentina's Javier Milei.

— Catherine Osborn, NPR, 2 Oct. 2026
The acoustic guitar Noel Gallagher played during Oasis‘ 1996 MTV Unplugged performance has fetched a hefty sum of $299,376 including buyer’s premium yesterday.

— Althea Legaspi, Rolling Stone, 2 Oct. 2026

Definition of hefty

Adjective

Were tactical arrangements sufficient without symbolic signaling, police training would not need to be so heady, their demeanor so heavy.

— Sophie Landres, Artforum, 1 Oct. 2026
Iran's economy, under heavy strain before the war started, has been in a freefall since the conflict began in late February.

— Arkansas Online, Arkansas Online, 1 Oct. 2026

Definition of heavy

Adjective

Humans are fattier and bulkier than the average rat, potentially further limiting how far these signals can travel, according to Hugh Lee.

— Peter Hall, Scientific American, 29 Sep. 2026
Give everything a home, and only keep daily-use bulky items on countertops.

— Natalia Gonzalez Blanco Serrano, The Spruce, 26 Sep. 2026

Definition of bulky

Adjective

The off-the-shoulder sleeves harkened to a slight Victorian era style, with a voluminous design and gravity-defying appearance.

— Julia Teti, Footwear News, 25 Sep. 2026
Inside, Pugh switched things up for the Q&A portion of the evening, ditching her voluminous ballgown for something a bit easier to sit in.

— Hannah Jackson, Vogue, 25 Sep. 2026

Definition of voluminous

Adjective

In one of the side plots to The Lord of the Rings, two of the Hobbits attempt to rouse Treebeard—a wise but ponderous sentient tree—to defend his forest from an army that is cutting it down.

— Ashley Belanger, ArsTechnica, 1 July 2026
The bass kept boring doggedly toward shore, lunging and vaulting into the air in ponderous leaps.

— Ted Janes, Outdoor Life, 21 May 2026

Definition of ponderous

Browse Nearby Words

ultrahazardous

ultraheavy

ultrahip

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Style

“Ultraheavy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultraheavy. Accessed 4 Oct. 2026.

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Synonyms of ultraheavy

adjective

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