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 of gigantic

• 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

The movie pits the two monsters — the giant dinosaur-like being Godzilla and gigantic ape King Kong — against each other as the fate of humanity hangs in the balance. — Rebecca Aizin, PEOPLE, 21 July 2026

The team will go toe-to-toe with several dangerous foes on their journey, including the manticore, Nemean lion, and the gigantic automaton Talos. — Emlyn Travis, Entertainment Weekly, 21 July 2026

The Guinea native is now chairman of the Strategic Committee of the country’s gigantic Simandou mine, a project that has cost some $20 billion to tap one of the world’s largest iron ore deposits. — Kerry A. Dolan, Forbes.com, 17 July 2026

Last year was marked by an era of Hollywood belt-tightening, after some gigantic box office duds and some production moving out of Los Angeles. — Phillip Molnar, San Diego Union-Tribune, 16 July 2026

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)