6 letters · 14 points in Scrabble
noun a deliberate discourteous act (usually as an expression of anger or disapproval)
noun an instance of driving away or warding off
verb reject outright and bluntly
originEtymology tree Proto-Italic *wre- Latin re-der. Old French re-bor. Middle English re- English re- English buff English rebuff From re- + buff.
Etymology from Wiktionary, CC BY-SA 3.0