gigantic

adjective

gi·​gan·​tic jī-ˈgan-tik 

jə-

: exceeding the usual or expected (as in size, force, or prominence)

gigantically

jī-ˈgan-ti-k(ə-)lē 

jə-

adverb

Synonyms

• huge
• giant
• enormous
• vast
• massive
• tremendous
• colossal
• mammoth
• immense
• monumental
• astronomical
• monstrous

Choose the Right Synonym for gigantic

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

After the House settlement, both schools dissolved their ties with collectives, but many schools still have them in a new era that is essentially a gigantic, expensive experiment. —Kyle Newman, Denver Post, 31 Aug. 2025

Their Instagram announcement—a carousel of the couple's lavish garden engagement photoshoot—has been liked more than 35 million times since it was posted on August 26, with Swifties around the world fawning over the singer's gigantic ring. —Melissa Fleur Afshar, MSNBC Newsweek, 29 Aug. 2025

Fifty-six million years ago there was a major, sudden warming event caused by the release of a gigantic amount of carbon into the atmosphere and ocean. —Kenna Hughes-Castleberry, Space.com, 29 Aug. 2025

Using InSight’s array of seismic detection tools, a team of planetary scientists have identified gigantic formations that break up comparatively smoother regions of mantle. —Andrew Paul, Popular Science, 28 Aug. 2025

Word History

Etymology

Greek gigantikos, from gigant-, gigas giant

First Known Use

1630, in the meaning defined above

Rhymes for gigantic

• atlantic
• pedantic
• romantic
• semantic
• vedantic
• antic
• frantic
• transatlantic
• unromantic

Kids Definition

gigantic

adjective

gi·​gan·​tic jī-ˈgant-ik 

: being beyond the ordinary or expected (as in size, weight, or strength)