not appropriate or suited to one's appearance, status, character, etc.; unattractive, indecorous, etc.
- Not appropriate, attractive, or flattering: an unbecoming dress.
- Not in accord with the standards implied by one's character or position: conduct unbecoming an officer. See Synonyms at unseemly.
(comparative more unbecoming, superlative most unbecoming)
un- +"Ž becoming