1. having or showing bad manners; rude or impolite

Examples

• It was unmannerly of him to interrupt the speaker.
• The child’s unmannerly behavior embarrassed his parents.
• She found his unmannerly comments quite offensive.
• The guest’s unmannerly conduct shocked the hosts.
• His unmannerly habit of talking with his mouth full annoyed everyone.
• The teacher corrected the student’s unmannerly response.