disclaim

Short definition from Wiktionary

Verb

1. 1
   To completely renounce claims to; to deny ownership of or responsibility for
2. 2
   To deny (e.g. claim); to refuse.
3. 3
   (law) To relinquish or deny having a claim; to disavow another's claim; to decline accepting, as an estate, interest, or office.
4. 4
   To make an admission or warning.