Dense /(?)/

Dense

a.
  1. Having the constituent parts massed or crowded together; close; compact; thick; containing much matter in a small space; heavy; opaque; as, a dense crowd; a dense forest; a dense fog.
    All sorts of bodies, firm and fluid, dense and rare.
    To replace the cloudy barrier dense.
  2. Stupid; gross; crass; as, dense ignorance.