Definitions for: Gargantuan

[adj] of great mass; huge and bulky; "a jumbo jet"; "jumbo shrimp"

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

Synonyms: big, elephantine, giant, jumbo, large