ill-manneredness
A child shows ill-manneredness by talking with his mouth full at the dinner table.
Noun (uncountable): - Lack of good manners: "ill-manneredness" refers to the quality or state of being rude, impolite, or lacking in proper social behaviour. - It describes a general disposition toward discourteousness, often manifesting in actions or words that offend or disrespect others.
- (Her rudeness was evident in her behaviour.)
- (The guests' lack of politeness ruined the event.)
- (He was rebuked for his discourteous conduct.)
"to display ill-manneredness": to show or exhibit rude behaviour.
- The child displayed ill-manneredness by refusing to thank the host. (The child showed rudeness by not expressing gratitude.)
"an air of ill-manneredness": a general impression or atmosphere of rudeness.
- His arrogant tone gave an air of ill-manneredness to the conversation. (His haughty speaking style made the exchange seem impolite.)
Ill-mannered (adj): having bad manners; rude.
- The ill-mannered boy spoke loudly during the movie. (The rude boy disrupted the film.)
Mannerly (adj): polite and well-behaved (antonym of ill-mannered).
- She is a mannerly child who always says please and thank you. (She is a polite child.)
- Rudeness: the quality of being impolite or disrespectful.
- Discourtesy: lack of courtesy or politeness.
- Impoliteness: the state of being rude or lacking in good manners.
- Politeness: the quality of being courteous and well-mannered.
- Courtesy: respectful and considerate behaviour.
- Graciousness: kindness and elegance in manner.
"To have no manners": to be consistently rude or ill-mannered.
- He has no manners; he never holds the door for anyone. (He is habitually impolite.)
"To be a boor": to be a rude, ill-mannered person.
- She called him a boor for his crude jokes at dinner. (She considered him a rude person because of his inappropriate humour.)