Not flattering, attractive or appropriate. / Not in keeping with the expected standards of one's position.

present participle of unbecome

The process by which something unbecomes.

plural of unbecoming

Third-person singular simple present indicative form of unbecome

(obsolete, transitive) To misbecome.

In an unbecoming manner.

A state of being unbecoming; unseemliness, inappropriateness.