If you rebuff someone, you reject or snub him. You might decide to rebuff a classmate's invitation to the dance after hearing him gossip meanly about a friend.

Although the verb rebuff is a somewhat old fashioned one to use for social relationships, it's still common in the world of diplomacy. One country's rebuff of another might start a war, or end peace talks, or otherwise reverberate through the world of international relations. You can also use rebuff as a noun — deliberately ignoring your sister's text message is one example of a rebuff. The Italian root word, ribuffo, combines ri, expressing opposition, and buffo, "a puff."

Definitions of rebuff

n a deliberate discourteous act (usually as an expression of anger or disapproval)

cold shoulder, cut, snub
a refusal to recognize someone you know
silent treatment
an aloof refusal to speak to someone you know
Type of:
discourtesy, offence, offense, offensive activity
a lack of politeness; a failure to show regard for others; wounding the feelings or others

n an instance of driving away or warding off

repulse, snub
Type of:
the speech act of rejecting

v reject outright and bluntly

repel, snub
Type of:
disdain, freeze off, pooh-pooh, reject, scorn, spurn, turn down
reject with contempt

v force or drive back

rebuff the attack”
drive back, fight off, repel, repulse
Type of:
defend, fight, fight back, fight down, oppose
fight against or resist strongly

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