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


very large; huge: a gigantic statue.
of, like, or befitting a giant.

Origin of gigantic

1605–15; < Latin gigant- giant + -ic


1 enormous, immense, prodigious, herculean, cyclopean, titanic. Gigantic, colossal, mammoth, monstrous are used of whatever is physically or metaphorically of great magnitude. Gigantic refers to the size of a giant, or to size or scope befitting a giant: a gigantic stalk of corn. Colossal refers to the size of a colossus, to anything huge or vast as befitting a hero or god: a colossal victory. Mammoth refers to the size of the animal of that name and is used especially of anything large and heavy: a mammoth battleship. Monstrous means strikingly unusual or out of the normal in some way, as in size: a monstrous blunder.


gi·gan·ti·cal·ly, adverbgi·gan·tic·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for gigantic

British Dictionary definitions for gigantic

/ (dʒaɪˈɡæntɪk) /


very large; enormousa gigantic error
Also: gigantesque (ˌdʒaɪɡænˈtɛsk) of or suitable for giants

Derived forms of gigantic

gigantically, adverbgiganticness, noun

Word Origin for gigantic

C17: from Greek gigantikos, from gigas giant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012