from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To decline to comment, especially on grounds that it might be incriminating.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. refuse to testify by invoking the Fifth Amendment, which states that nobody may be forced to testify as a witness against himself or herself
A reference to the Fifth Amendment to the United States Constitution, which states, among other things, that it may not be required of one to testify against oneself. (Wiktionary)