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

You may be relieved to know that this book does not involve a gigantic replica of anyone’s birth canal. —Jamie Harrow, PEOPLE, 16 Sep. 2025

Royer, who worked as an architect before joining Ford 15 years ago, said the miniature clay world headquarters will be something people can use to navigate the real-life gigantic space. —Jamie L. Lareau, Freep.com, 16 Sep. 2025

At the center of its circular base was a glimmering white hyperboloid, a gigantic stone object that looked like a cooling tower at a nuclear power plant. —D. T. Max, New Yorker, 15 Sep. 2025

Quirarte had switched to a still camera when Slebir, towed on a Jet Ski by his longtime surfing buddy Luca Padua of Half Moon Bay, hurled to the crest of the gigantic wave and let go of his tether. —Julia Prodis Sulek, Mercury News, 13 Sep. 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)