profundity

noun4

1. •
   The state of being profound; magnitude, gravity, or intensity.

   • The situation's profundity escaped most observers.
2. •
   Deep intellect or insight.

   • Unfortunately, Andrew's colossal ego means people miss his profundity.
3. •
   A great depth; a deep place.

   • I delved the abyssal profundities of Neptune's realm.
4. •
   (no longer used) Depth; the state of possessing great downwards extent.