Related Clues:

• Get tough
• Roughen
• Use sandpaper
• Get rough
• Make rough
• Rough up
• Make harsh
• Make rougher
• Get callous
• Become more vulgar
• Become rough
• Become rough or insensitive
• Sounds as if huntin' hares may make one rough.
• Sounds as if huntin' like this does not make for refinement
• Make more harsh