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

Hence, SpaceX can’t be valued on its current profits, but only on its prospects from gigantic growth in the most pioneering of industries whose future trajectory is also unknowable. —Shawn Tully, Fortune, 8 Mar. 2026

Stars are gigantic fusion reactors light-years away that do not shape our personalities or life events. —Manon Bischoff, Scientific American, 8 Mar. 2026

But that gigantic effort wasn’t enough to offset Northfield’s balanced scoring. —Kyle Newman, Denver Post, 6 Mar. 2026

Anyone willing to be up for the early-morning event witnessed the moon’s deep reddish-orange glow as the Earth passed directly between the sun and moon, casting a gigantic shadow across the moon’s surface. —Laura A. Oda, Mercury News, 3 Mar. 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)