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Definitions

gargantuan

[gahr-gan-choo-uhn] / gɑrˈgæn tʃu ən /
ADJECTIVE
very large
Synonyms
STRONGEST
colossal enormous gigantic huge humongous immense mammoth massive monstrous monumental prodigious towering tremendous vast
WEAK
big elephantine giant heavyweight jumbo leviathan mountainous super-duper supercolossal titanic whopping
Antonyms
STRONGEST
common dwarfed insignificant little miniature minute ordinary small teeny tiny unimportant
WEAK
miniscule

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.

SpaceX is preparing for a gargantuan initial public offering.

From Barron's • Apr. 3, 2026

That provision was offered because Warner board members have expressed concerns that Paramount may not be able to round up sufficient financing to close such a gargantuan deal.

From Los Angeles Times • Feb. 25, 2026

And while Tagovailoa’s bill is gargantuan, releasing him helps Miami escape some future costs.

From The Wall Street Journal • Feb. 24, 2026

Such is the supply-chain disruption wrought by the global drive into artificial intelligence, which requires fleets of data centers with servers needing gargantuan amounts of memory.

From The Wall Street Journal • Feb. 13, 2026

One was a gargantuan man standing beside Duke Perrington, who seemed crafted of muscle and steel—and took pains to display it with his sleeveless armor.

From "Throne of Glass" by Sarah J. Maas