rebuff
verbUK /rɪˈbʌf/
US /rɪˈbʌf/
To say no to someone in a quick, unfriendly way.
She rebuffed his offer of help and walked away.
OTHER MEANINGS
2. A blunt or abrupt refusal of an offer or request.
His request for a raise met with a firm rebuff.
3. To drive back or repel an attack or advance.
The soldiers rebuffed the enemy's charge.
4. An unfriendly or dismissive response to someone's approach.
She gave him a cold rebuff when he tried to apologize.