- 1[countable] a legal document that is signed by a judge and gives the police authority to do something an arrest warrant warrant for something They issued a warrant for her arrest. warrant to do something They had a warrant to search the house. see also death warrant, search warrant
- 2[uncountable] warrant (for something/for doing something) (formal) (usually in negative sentences) an acceptable reason for doing something There is no warrant for such criticism.
- 3 [countable] warrant (for something) a document that gives you the right to receive money, services, etc. the issue of warrants for equity shares