Definitions

gigantic

[jahy-gan-tik, ji-] / dʒaɪˈgæn tɪk, dʒɪ- /

ADJECTIVE

very large

Synonyms

STRONGEST

behemothic colossal enormous gargantuan giant huge immense jumbo mammoth massive monstrous tremendous vast

WEAK

Moby brobdingnagian cyclopean elephantine gross herculean monster prodigious stupendous supercolossal titan whopping

Antonyms

STRONGEST

dwarf insignificant little miniature miniscule minute small teeny tiny

WEAK

dwarfed

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Appeared in the December 19, 2025, print edition as 'YouTuber-Turned-Boxer Jake Paul Faces Gigantic Challenge in the Ring'.

From The Wall Street Journal • Dec. 19, 2025

Gigantic population III stars would be a likely culprit, smaller ones less so.

From Science Magazine • Dec. 21, 2023

Gigantic water tanks were crumbled up like tissue paper.

From Los Angeles Times • Sep. 27, 2023

Gigantic images of Mr. Ortega and his wife, who is his vice president, loom over the streets.

From New York Times • Nov. 7, 2021

Gigantic stone blocks, green with ancient slime, rose higher into the mist than they could see.

From "The Amber Spyglass" by Philip Pullman

Vocabulary lists containing gigantic

List 2

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Living Large: Synonyms for "Big"

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Beowulf vocabulary

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