1. to make or become rough, crude, or less refined in texture, quality, or manner

Examples

• Years of hard labor coarsened his hands.
• The fabric will coarsen if you wash it in hot water.
• His manners coarsened after spending time with that crowd.
• The artist’s style coarsened as he aged.
• Exposure to harsh weather coarsened her skin.
• The politician’s rhetoric coarsened during the campaign.
• Salt air can coarsen your hair over time.