gargantuan
/ɡɑrˈɡæntʃuən/
adjective
- Extremely large in size, amount, or scale; enormous.
- She faced a gargantuan stack of homework over the weekend.
- The construction crew moved a gargantuan pile of dirt to make room for the new building.
- The whale shark is a gargantuan fish that can grow over 40 feet long.