Dense (?), a. [L. densus; akin to Gr. � thick with hair or leaves: cf. F. dense.] 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. Ray.
To replace the cloudy barrier dense. Cowper.
2. Stupid; gross; crass; as, dense ignorance.