colossal

adjective

co·​los·​sal kə-ˈlä-səl How to pronounce colossal (audio)
Synonyms of colossal
1
: of, relating to, or resembling a colossus
colossal statues
2
: of a bulk, extent, power, or effect approaching or suggesting the stupendous or incredible
colossal rock formations
colossal stellar explosions
3
: of an exceptional or astonishing degree
a colossal failure
a colossal bore
colossal ambition
colossally
kə-ˈlä-sə-lē How to pronounce colossal (audio)
adverb

Synonyms of colossal

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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 colossal in a Sentence

a colossal statue of the town's founder
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This colossal structure is about 307 meters tall and weighs up to 8,000 tonnes. — Mrigakshi Dixit, Interesting Engineering, 29 June 2026 The name Chelydra serpentina evokes colossal reptiles stomping through ancient forests. — Hannah Smith july 1, Idaho Statesman, 1 July 2026 From that glossy start emerges an elaborate, colossal bun composed of braids in varying widths—from pencil-thin plaits woven around the base to chunkier folds making up the lion’s share of the height-enhancing sculpture. — Marci Robin, Allure, 29 June 2026 So heading to Earth without boosting your immunity to local diseases means risking colossal embarrassment. — Richard Edwards, Space.com, 2 July 2026 See All Example Sentences for colossal

Word History

Etymology

see colossus

First Known Use

1664, in the meaning defined at sense 1

Time Traveler
The first known use of colossal was in 1664

Rhymes for colossal

See All Rhymes for colossal

Browse Nearby Words

Colossae
colossal
colossality
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Cite this Entry

“Colossal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/colossal. Accessed 10 Jul. 2026.

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Kids Definition

colossal

adjective
co·​los·​sal kə-ˈläs-əl How to pronounce colossal (audio)
1
: of, relating to, or resembling a colossus
especially : of very great size
a colossal office building
2
: extraordinary, exceptional
colossal growth
a colossal failure
colossally
-ə-lē How to pronounce colossal (audio)
adverb

More from Merriam-Webster on colossal

Nglish: Translation of colossal for Spanish Speakers

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