Synonyms of gigantic

gigantic

adjective

jī-ˈgan-tik 

as in huge

unusually large

a raccoon got into the trash and now there's a gigantic mess in our backyard

Synonyms & Similar Words

• huge
• giant
• enormous
• vast
• massive
• tremendous
• colossal
• mammoth
• immense
• monumental
• astronomical
• monstrous
• big
• titanic
• bumper
• monster
• sizable
• mountainous
• mighty
• gargantuan
• grand
• humongous
• mega
• great
• cosmic
• prodigious
• oceanic
• oversize
• heroic
• super
• whopping
• jumbo
• planetary
• elephantine
• galactic
• herculean
• cyclopean
• supersized
• handsome
• substantial
• considerable
• majestic
• Himalayan
• gigantesque
• vasty
• pharaonic
• formidable
• Brobdingnagian
• major
• good
• leviathan
• supersize
• staggering
• king-size
• extensive
• super-duper
• whacking
• imposing
• voluminous
• walloping
• hefty
• bulky
• gross
• infinite
• outsize
• tidy
• overgrown
• stupendous
• grandiose
• goodly
• overwhelming
• hulking
• largish
• cavernous
• monolithic
• lofty
• towering
• immeasurable
• august
• boundless

Antonyms & Near Antonyms

• tiny
• miniature
• microscopic
• minuscule
• diminutive
• infinitesimal
• micro
• small
• pocket
• teeny
• bitty
• pygmy
• teensy
• wee
• little bitty
• Lilliputian
• midget
• puny
• smallish
• minute
• little
• mini
• petite
• undersized
• microminiature
• teeny-weeny
• teensy-weensy
• bantam
• dinky
• dwarfish
• pint-size
• half-pint

Synonym Chooser

How is the word gigantic distinct from other similar adjectives?

Some common synonyms of gigantic are colossal, enormous, huge, immense, mammoth, and vast. While all these words mean "exceedingly large," gigantic stresses the contrast with the size of others of the same kind.

a gigantic sports stadium

When is colossal a more appropriate choice than gigantic?

The words colossal and gigantic can be used in similar contexts, but colossal applies especially to a human creation of stupendous or incredible dimensions.

a colossal statue of Lincoln

How do enormous and immense relate to one another, in the sense of gigantic?

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

When might huge be a better fit than gigantic?

While the synonyms huge and gigantic are close in meaning, huge commonly suggests an immensity of bulk or amount.

incurred a huge debt

When could mammoth be used to replace gigantic?

While in some cases nearly identical to gigantic, mammoth suggests both hugeness and ponderousness of bulk.

a mammoth boulder

When can vast be used instead of gigantic?

In some situations, the words vast and gigantic are roughly equivalent. However, vast usually suggests immensity of extent.

the vast Russian steppes

Example Sentences

Recent Examples of gigantic

The gigantic sinkhole, which formed in the driveway of the Malibu, California, home, is estimated to be up to 30 feet deep, 30 feet wide and 60 feet long, according to a proclamation of a local emergency issued by the City of Malibu. — Taijuan Moorman, USA Today, 9 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

Not every comic-book story has to end with a brain-scrambling battle between gigantic armies of heroes and villains. — Bill Goodykoontz, AZCentral.com, 8 Sep. 2026