1. the quality of being awkward, crude, or lacking in good manners or refinement

Examples

• His uncouthness at the dinner party embarrassed his wife.
• The politician’s uncouthness alienated many potential voters.
• She was shocked by the uncouthness of his table manners.
• The teacher worked to reduce the uncouthness of her students’ behavior.
• Despite his wealth, his uncouthness made him unwelcome in high society.
• The uncouthness of his language offended the elderly guests.