gigantic

adjective

gi·​gan·​tic jī-ˈgan-tik How to pronounce gigantic (audio)
jə-
Synonyms of gigantic
: exceeding the usual or expected (as in size, force, or prominence)
gigantically
jī-ˈgan-ti-k(ə-)lē How to pronounce gigantic (audio)
jə-
adverb

Synonyms of gigantic

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enormous, immense, huge, vast, gigantic, colossal, mammoth mean exceedingly large.

enormous and immense both suggest an exceeding of all ordinary bounds in size or amount or degree, but enormous often adds an implication of abnormality or monstrousness.

an enormous expense
an immense shopping mall

huge commonly suggests an immensity of bulk or amount.

incurred a huge debt

vast usually suggests immensity of extent.

the vast Russian steppes

gigantic stresses the contrast with the size of others of the same kind.

a gigantic sports stadium

colossal applies especially to a human creation of stupendous or incredible dimensions.

a colossal statue of Lincoln

mammoth suggests both hugeness and ponderousness of bulk.

a mammoth boulder

Examples of gigantic in a Sentence

a raccoon got into the trash and now there's a gigantic mess in our backyard
Recent Examples on the Web
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.
Kneeling beside the fallen buck, Charles, an avid trophy bowhunter, ran his hands over the gigantic rack. — Jeff Murray, Outdoor Life, 20 Aug. 2026 Lakes Mead and Powell, which are essentially one gigantic reservoir separated by the Grand Canyon, hold just under 60% of the total watercurrently stored in the Colorado River basin. — Laura Paddison, CNN Money, 16 Aug. 2026 Of primary importance to Child’s readers, Jack Reacher is gigantic. — Daniel Fienberg, HollywoodReporter, 14 Aug. 2026 In Homewood on Tuesday, gigantic piles of mulch, tree limbs, and branches were already lying around from storms that hit earlier in the summer. — Adam Harrington, CBS News, 11 Aug. 2026 See All Example Sentences for gigantic

Word History

Etymology

Greek gigantikos, from gigant-, gigas giant

First Known Use

1630, in the meaning defined above

Time Traveler
The first known use of gigantic was in 1630

Rhymes for gigantic

See All Rhymes for gigantic

Browse Nearby Words

gigantesque
gigantic
gigantical
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Cite this Entry

“Gigantic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gigantic. Accessed 1 Sep. 2026.

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Kids Definition

gigantic

adjective
gi·​gan·​tic jī-ˈgant-ik How to pronounce gigantic (audio)
: being beyond the ordinary or expected (as in size, weight, or strength)
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