indecorum in a sentence

Definition

Indecorum refers to behavior that is inappropriate or lacking in good manners, particularly in a formal or serious context.

His loud laughter during the solemn ceremony was a clear display of indecorum.
The teacher addressed the student's indecorum in class, reminding everyone to behave appropriately.
Indecorum at the formal dinner resulted in several guests feeling uncomfortable and embarrassed.
She was reprimanded for her indecorum when she interrupted the speaker with a rude comment.
Despite his charm, his indecorum at social events often left a negative impression on others.