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

Right on cue, the Labor Day sellout crowd of 42,368 booed when Craig Counsell’s name was announced during pregame introductions and the headshot of the Chicago Cubs manager appeared on American Family Field’s gigantic video board. — Patrick Mooney, New York Times, 8 Sep. 2026

Apple reportedly plans to pitch the iPhone Ultra as a device that's more beneficial for web browsing, framing subjects with a gigantic viewfinder, and most importantly, watching video. — Kimberly Gedeon, PC Magazine, 8 Sep. 2026

The gigantic One Bryant Park will open its doors this month; the 10,000-square-foot space is an ode to Japanese dining in Midtown, tapping Tadaaki Ishizaki, Chikara Sono, and Yoshihiko Kousaka to focus on their own dining destinations. — Nicole Hoey, Robb Report, 8 Sep. 2026

And a new offshore production vessel arriving off the coast of Guyana this month will help the country up the pace of its production from its gigantic well. — David Goldman, CNN Money, 7 Sep. 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)