unbecomingly

/ˌʌnbɪˈkʌmɪŋli/
adverb
  1. In a way that is not appropriate or suitable for a person's position, character, or situation.
    • She behaved unbecomingly at the formal dinner, speaking loudly and interrupting others.
    • He dressed unbecomingly for the job interview, wearing torn jeans and a wrinkled shirt.
    • The politician acted unbecomingly by making rude comments during the debate.
Antonyms