MASTODON Synonyms: 38 Similar and Opposite Words

mastodon

noun

ˈma-stə-ˌdän

Definition of mastodon

as in whale

something or someone that is unusually large and powerful mom-and-pop stores just can't compete with these mastodons of retailing

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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 mastodon Ground sloths and mastodons are linked to forest habitats. — Hanna Wickes, Fort Worth Star-Telegram, 29 Mar. 2026 For example, utility workers once uncovered an ancient bone fragment from a mastodon. — Alice Gibbs, MSNBC Newsweek, 16 Sep. 2025 The frieze, estimated to be about 12,500 years old, depicts massive ice age beasts thought to have once roamed South America, including mastodons and ground sloths the size of a car. — Laura Bassett, Condé Nast Traveler, 21 Aug. 2025 This was an important clue to a developing theory that grazing megafauna—such as the extinct mammoths and mastodons that once roamed the southern Appalachians—may have played a role. — Mike Bezemek, Smithsonian Magazine, 10 July 2025 See All Example Sentences for mastodon

Recent Examples of Synonyms for mastodon

Noun

Those include swimming dolphins, traveling in space, and taking a bath with a whale.

— Parents, Parents, 3 July 2026
Along with a full roster of shows and entertainment, the ship will sail with a whale specialist during summer months.

— Jane Wooldridge, Travel + Leisure, 3 July 2026

Definition of whale

Noun

The dinosaur blockbuster earned close to $1 billion at the box office and spawned a franchise.

— Joyce Eng, Entertainment Weekly, 13 July 2026
Gus also reportedly shows bite marks and evidence of fractures that the dinosaur survived, which Sotheby’s said may add to its scientific significance.

— Jacopo Prisco, CNN Money, 13 July 2026

Definition of dinosaur

Noun

In 2024 the Japanese giant completed its acquisition of 7-Eleven Australia to expand its presence in the country, taking full ownership of the business.

— Jenny Lee, CNBC, 17 July 2026
As investors fret that Netflix‘s viewer-engagement metrics are flagging, the streaming giant reported earnings for the second quarter of 2026 that were in line with Wall Street forecasts.

— Todd Spangler, Variety, 16 July 2026

Definition of giant

Noun

For a mammoth, a successful pregnancy in an elephant surrogate would drag on for almost two years.

— Taylor Dotson, Scientific American, 10 July 2026
According to this theory, those now-extinct megafauna—the giant ground sloths and the giant beavers, the mastodons and mammoths, and even the lions and dire wolves—were relatively quickly hunted to extinction.

— Literary Hub, Literary Hub, 10 June 2026

Definition of mammoth

Noun

Excavators uncovered stone artifacts and bones of Stegodon florensis insularis, a bison-size extinct relative of elephants, near the Homo floresiensis fossils.

— Ashley Strickland, CNN Money, 3 July 2026
Andrea Gutierrez, a University of Texas professor who researched captive elephants in South Asia, said Kerala's temple elephants are male, which poses a problem.

— ABC News, ABC News, 3 July 2026

Definition of elephant

Browse Nearby Words

masticating

mastodon

mastodons

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“Mastodon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mastodon. Accessed 17 Jul. 2026.

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Synonyms of mastodon

noun

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