Word by Word Definitions. persistentplay. : existing for a long or longer than usual time or continuously: such as. : retained beyond the usual period. : continuing without change in function or structure.
Federal Bureau of Investigation (FBI), principal investigative agency of the federal government of the United States. The bureau is responsible for conducting investigations in cases where federal laws may have been violated, unless another agency of the federal government has been specifically delegated that duty by statute or executive fiat.
An official governmental body empowered with the authority to direct and supervise the implementation of particular legislative acts. In addition to agency, such governmental bodies may be called commissions, corporations (e.g., Federal Deposit Insurance Corporation), boards, departments, or divisions.