repulse

Short definition from Wiktionary

Verb

1. 1
   To repel or drive back.
2. 2
   To reject or rebuff.
3. 3
   To cause revulsion in; to repel.

Noun

1. 1
   The act of repulsing or the state of being repulsed.
2. 2
   Refusal, rejection or repulsion.