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

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

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 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

His job included photographing whale tails to identify individual animals and monitor their movements.

— Sarah Kingdom, Forbes.com, 23 Aug. 2026
The three whales relocated to San Diego will raise the park’s number of belugas to six.

— Lori Weisberg, San Diego Union-Tribune, 22 Aug. 2026

Definition of whale

Noun

Hathaway plays a suburban mom whose neighborhood is suddenly and mysteriously transported from 1982 to prehistoric times, putting family and neighbors at the mercy of hungry dinosaurs.

— The Week US, TheWeek, 23 Aug. 2026
The real end of Oak Street comes not from the feet and chompers of the dinosaurs but from a moviemaker who revives the idyllic 1980s only to desecrate them with wokeness.

— Peter Tonguette, The Washington Examiner, 22 Aug. 2026

Definition of dinosaur

Noun

At that point, the Spanish club was confident he would soon be snapped up by one of the game’s giants for mega money, so was happy to play the long game.

— Ben Church, CNN Money, 21 Aug. 2026
Since 2022, the first full year that both models were put in production, the auto giant has sold at least roughly 120,000 examples of each per year.

— Bryan Hood, Robb Report, 21 Aug. 2026

Definition of giant

Noun

Trying to clear his name, Eddie Brock is hunted by a monster sent by the creator of the symbiotes, only to uncover a secret operation in Area 51 to harvest the creatures and exploit them.

— K. Thor Jensen, PC Magazine, 21 Aug. 2026
The league is hurtling toward an ugly lockout, with owners preparing to cry poverty and demand a hard salary cap to stop the spending monster in Southern California.

— Dieter Kurtenbach, Mercury News, 19 Aug. 2026

Definition of monster

Noun

Discworld is a flat earth balanced on the backs of four elephants, which are in turn standing on an enormous turtle, Great A’Tuin.

— Carline Tromp, The Dial, 18 Aug. 2026
These tactics reduced the effectiveness of the elephants and disrupted the cohesion of Hemu’s attack.

— Tamanna Nangia, Encyclopedia Britannica, 17 Aug. 2026

Definition of elephant

Browse Nearby Words

masticating

mastodon

mastodons

See all Nearby Words

Cite this Entry

Style

“Mastodon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mastodon. Accessed 27 Aug. 2026.

Copy Citation

Synonyms of mastodon

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on mastodon

More from Merriam-Webster

Word of the Day

southpaw

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?

Commonly Misspelled Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Why do we say 'break a leg'?

16 Glee-ridden Words from Schitt's Creek

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes