Synonyms of colossal

colossal

adjective

kə-ˈlä-səl 

as in gigantic

unusually large

a colossal statue of the town's founder

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Synonym Chooser

How is the word colossal distinct from other similar adjectives?

Some common synonyms of colossal are enormous, gigantic, huge, immense, mammoth, and vast. While all these words mean "exceedingly large," colossal applies especially to a human creation of stupendous or incredible dimensions.

a colossal statue of Lincoln

How are the words enormous and immense related as synonyms of colossal?

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 could gigantic be used to replace colossal?

In some situations, the words gigantic and colossal are roughly equivalent. However, gigantic stresses the contrast with the size of others of the same kind.

a gigantic sports stadium

When can huge be used instead of colossal?

Although the words huge and colossal have much in common, huge commonly suggests an immensity of bulk or amount.

incurred a huge debt

When would mammoth be a good substitute for colossal?

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

a mammoth boulder

When is vast a more appropriate choice than colossal?

The words vast and colossal can be used in similar contexts, but vast usually suggests immensity of extent.

the vast Russian steppes

Example Sentences

Recent Examples of colossal

For the rest of the nineteenth century and into the twentieth century, magnetic storms, triggered by colossal solar explosions, repeatedly disrupted those networks. —Literary Hub, 27 Oct. 2025

Just down the street from the colossal blue Scientology center (one of LA’s top locations for taking an ironic selfie) is Found Oyster, a delightful and perennially (pleasantly) crowded seafood restaurant inspired by clam shacks on the East Coast. —Jocelyn Silver, Vogue, 25 Oct. 2025

Created by the visionary behind the Oscar-winning Pinocchio (2022), this Emmy-winning anthology horror series presents eight visually thrilling, nightmarish tales, ranging from colossal rats to alien parasites. —Kelsie Gibson, PEOPLE, 23 Oct. 2025

Dressed simply in a black bomber and flashing a colossal gold chain, Floyy commanded the room during his 20-minute set. —Isabela Raygoza, Billboard, 22 Oct. 2025