rebuff
US /rɪˈbʌf/
UK /rɪˈbʌf/

1.
rejet, revers, camouflet
an abrupt or ungracious refusal or rejection of an offer, request, or friendly gesture
:
•
His offer of help met with a sharp rebuff.
Son offre d'aide a rencontré un net rejet.
•
The team suffered a humiliating rebuff in the final.
L'équipe a subi un revers humiliant en finale.