1. in a rude, awkward, or unsophisticated manner

Examples

• He spoke uncouthly to the dinner guests, embarrassing his host.
• The teenager dressed uncouthly for the formal event.
• She laughed uncouthly at the inappropriate joke.
• The visitor behaved uncouthly during the ceremony.
• He ate uncouthly, ignoring basic table manners.
• The comedian performed uncouthly, offending much of the audience.