coarsen   (Sound)

The coarsen has 2 Senses.

• coarsen
• 下卑る
• make or become coarse or coarser; "coarsen the surface"; "Their minds coarsened"
• どんどん粗くするまたは粗くなる

• coarsen
• 下卑る
• make less subtle or refined; "coarsen one's ideals"
• かすかな表現または洗練さをなくす