S: (n) repudiation, renunciation (rejecting or disowning or disclaiming as invalid) "Congressional repudiation of the treaty that the President had negotiated"
S: (n) rebuff, snub, repulse (an instance of driving away or warding off)
W: (v) repulse [Related to: repulse] (cause to move back by force or influence) "repel the enemy"; "push back the urge to smoke"; "beat back the invaders"
W: (v) repulse [Related to: repulse] (force or drive back) "repel the attacker"; "fight off the onslaught"; "rebuff the attack"
Verb
S: (v) rebuff, snub, repel (reject outright and bluntly) "She snubbed his proposal"