(ˈ)gär|ganch(əw)ən, (ˈ)gȧ|-, -|gaan- adjective
Usage: often capitalized
Etymology: Gargantua, gigantic king who is the hero of the novel Gargantua (1535) by François Rabelais died 1553 French humorist and satirist + English -an
: of tremendous size or volume : gigantic , colossal
a gargantuan land of rolling prairies, grass-blanketed plains, towering mountains — R.A.Billington
gargantuan laughter like the bellow of a joyful bull — Leslie Charteris
Synonyms: see huge