renounce

Short definition from Wiktionary

Noun

1. 1
   An act of renouncing.

Verb

1. 1
   To give up, resign, surrender.
2. 2
   To cast off, repudiate.
3. 3
   To decline further association with someone or something, disown.
4. 4
   To abandon, forsake, discontinue (an action, habit, intention, etc), sometimes by open declaration.
5. 5
   To make a renunciation of something.
6. 6
   To surrender formally some right or trust.
7. 7
   To fail to follow suit; playing a card of a different suit when having no card of the suit led.