Definitions of absolute privilege
a rule that gives a person the right to say or write something without the risk of being punished or facing legal action for defamation. In the UK parliamentary context, this right is known as parliamentary privilege.
Civil Code section 47 confers an absolute privilege on any fair and true reporting of judicial proceedings.
a special right, advantage, or immunity granted or available only to a particular person, group, or thing
Items with absolute privilege may not be seized under any circumstances.