Englishunbecoming
adjective
1 an unbecoming striped sundress:
unflattering, unattractive, unsightly, plain, ugly, ugly-looking, hideous;
unsuitable, unsuited, ill-suited.
▷antonyms becoming, flattering.
2 they condemned him for conduct unbecoming to the Senate:
inappropriate, unfitting, unbefitting, unsuitable, unsuited, ill-suited, inapt, out of keeping, untoward, incorrect, unacceptable;
unworthy of;
improper, lacking in propriety, indecorous, unseemly, unladylike, ungentlemanly, unmannerly, undignified, indelicate, indecent, tasteless.
▷antonyms becoming, proper, appropriate.