gigantic

adjective3

1. •
   Very large.

   • Thou Genius of the place (this most renowned Ile) Which livedst long before the All-earth-drowning Flood, Whilst yet the world did swarme with her Gigantick brood — 1612
2. •
   In the manner of a giant.
3. •
   (slang) Excellent; very good or exciting.

   • This band is going to be gigantic.