unmannerly in a sentence

Definition

Unmannerly refers to behavior that is rude, impolite, or lacking in proper etiquette.

His unmannerly behavior at the dinner table shocked the guests.
The child's unmannerly outburst drew disapproving looks from the adults.
Despite his wealth, his unmannerly attitude made it difficult for others to warm up to him.
She was often criticized for her unmannerly remarks during formal gatherings.
The teacher addressed the student's unmannerly conduct and encouraged him to be more respectful.