1) Big 2) Colossal 3) Elephantine 4) Enormous 5) Epic 6) Giant 7) Huge 8) Immense 9) Jumbo 10) Large 11) Vast 1) Elephantine 2) Enormous 3) French word used in English 4) Giant 5) Huge and bulky 6) Immense in size 7) Jumbo 8) Large 9) Of great mass 
• (a.) Characteristic of Gargantua, a gigantic, wonderful personage; enormous; prodigious; inordinate.
Gar·gan'tu·an adjective [ From Gargantua , an allegorical hero of Rabelais.] Characteristic of Gargantua, a gigantic, wonderful personage; enormous; prodigious; inordinate. 
Something that is mammoth and oversized
of great mass; huge and bulky