coarsen Meaning, Definition & Usage

  1. verb make or become coarse or coarser
    • coarsen the surface
    • Their minds coarsened
  2. verb make less subtle or refined
    • coarsen one's ideals

WordNet

Coars"en transitive verb
Definitions
  1. To make coarse or vulgar; as, to coarsen one's character. R. Graham.

Webster 1913