gi·​ant·​ism | \ ˈjī-ən-ˌti-zəm How to pronounce giantism (audio) \

Definition of giantism

1 : the quality or state of being a giant giantism in industry

Keep scrolling for more

Examples of giantism in a Sentence

the American taste for giantism: big cars, big houses, big servings of food
Recent Examples on the Web Other prehistoric examples of autapomorphic giantism include the extinct mega-ducks of Hawaii, as well as the dodo, which was essentially an enormous pigeon, said Dr. Worthy. Cara Giaimo, New York Times, "These Giant Parrots Once Roamed New Zealand," 6 Aug. 2019 The researchers think the parrot evolved this way because of a phenomenon known as autapomorphic giantism, in which a member of an otherwise moderately sized group becomes humongous by taking over an empty ecological niche. Cara Giaimo, New York Times, "These Giant Parrots Once Roamed New Zealand," 6 Aug. 2019 The extraordinary success of the giant three-ring circus gave rise to other forms of exportable American giantism, such as amusement parks, department stores, and shopping malls. Janet M. Davis, Smithsonian, "America’s Big Circus Spectacular Has a Long and Cherished History," 22 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'giantism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of giantism

1639, in the meaning defined at sense 1

Keep scrolling for more

Learn More about giantism

Time Traveler for giantism

Time Traveler

The first known use of giantism was in 1639

See more words from the same year

Statistics for giantism

Cite this Entry

“Giantism.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2020.

Keep scrolling for more

More Definitions for giantism


gi·​ant·​ism | \ ˈjī-ənt-ˌiz-əm How to pronounce giantism (audio) \

Medical Definition of giantism

Keep scrolling for more

More from Merriam-Webster on giantism

Thesaurus: All synonyms and antonyms for giantism

Rhyming Dictionary: Words that rhyme with giantism

Nglish: Translation of giantism for Spanish Speakers

Comments on giantism

What made you want to look up giantism? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

February 2020 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of probity?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!