rebuff
🇺🇸
/rɪˈbʌf/
🇬🇧
/rɪˈbʌf/
to reject someone's offer, request, or suggestion in a rude or unkind way
When she asked for help, they rebuff her.
an act of rudely or unkindly rejecting someone's offer, request, or suggestion
She received a rebuff when she offered to help.