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

Those include partnering to develop digital workflows and their joint-ownership in the Terafab facility that plans to produce a gigantic one terawatt a year in compute hardware. — Shawn Tully, Fortune, 20 June 2026

To be sure, gigantic fortunes aren’t new. — Gautam Mukunda, Mercury News, 20 June 2026

The president's team also repaired fountains throughout the city, tore down the White House's East Wing to make way for a ballroom, attempted to close the Kennedy Center for renovations, and drew up plans for a gigantic triumphal arch across the river from the capital in Virginia. — Joe Walsh, CBS News, 19 June 2026

The university built a gigantic Algerian flag on the grass outside the Lied Center, chopping down some weeds to make room. — Sam McDowell, Kansas City Star, 19 June 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)