unbefitting

/ˌʌnbɪˈfɪtɪŋ/
adjective
  1. Not appropriate or suitable for a particular person, rank, or situation.
    • The student's disrespectful tone was unbefitting of someone seeking help.
    • His casual attitude was unbefitting a leader during the crisis.
    • Wearing shorts to the wedding was unbefitting the formal occasion.
Antonyms
What does "unbefitting" mean? | whatsthatwordmean | whatsthatwordmean