'Gargantuan' definitions:

Definition of 'gargantuan'

From: WordNet
adjective
Of great mass; huge and bulky; "a jumbo jet"; "jumbo shrimp" [syn: elephantine, gargantuan, giant, jumbo]

Definition of 'Gargantuan'

From: GCIDE
  • Gargantuan \Gar*gan"tu*an\ (?; 135), a. [From Gargantua, an allegorical hero of Rabelais.] Characteristic of Gargantua, a gigantic, wonderful personage; enormous; prodigious; inordinate. [1913 Webster]