Rebuff
noun
a deliberate discourteous act (usually as an expression of anger or disapproval)
Similar: slight
noun
an instance of driving away or warding off
Similar: snub, repulse
verb
reject outright and bluntly
“She snubbed his proposal”
Similar: snub, repel
verb
force or drive back
“repel the attacker”
Similar: repel, repulse, fight off, drive back