Definitions for: Coarsen

[v] make less subtle or refined; "coarsen one's ideals"
[v] make or become coarse or coarser; "coarsen the surface"; "Their minds coarsened"

Webster (1913) Definition: Coars"en (k[=o]rs"'n), v. t.
To make coarse or vulgar; as, to coarsen one's character.
[R.] --Graham.

See Also: alter, alter, change, change