Unbecoming (adjective) – (of behaviour) not fitting or appropriate

(Pronounced un-buh-kuh-ming)

To remember the definition of the word unbecoming, use the following mnemonic:

At the event, my uncle was becoming (unbecoming) embarrassing. His behaviour was not fitting or appropriate. 

Examples of unbecoming (adjective) in a sentence

His behaviour was unbecoming of such a high class event. 

Despite her unbecoming behaviour at the event, she still managed to make a good impression. 

He was banned from the five star hotel due to his extremely unbecoming behaviour.