filibusternoun/ˈfɪlɪbʌstə(ɹ)/

• 1

  historicalA mercenary soldier; a freebooter; specifically, a mercenary who travelled illegally in an organized group from the United States to a country in Central America or the Spanish West Indies in the mid-19th century seeking economic and political benefits through armed force.

  • These duties involved prodigious physical and mental exertion, in a climate deadly to Europeans. They also involved much voyaging in waters haunted by filibusters and buccaneers. But nothing appears to daunt Labat. As for the filibusters, he becomes their comrade and personal friend;—he even becomes their chaplain, and does not scruple to make excursions with them.
  • Mexico's War of Independence (1810–1821) encouraged an increase in the activity of filibusters in northern Mexico, particularly Texas. Spain's concentration on repressing independence movements within Mexico created opportunities for filibusters to seize control of its northern frontier regions.
• 2

  governmentpoliticsA tactic (such as giving long, often irrelevant speeches) employed to delay the proceedings of, or the making of a decision by, a legislative body, particularly the United States Senate.

  • No longer do filibustering Senators take the floor and speak until they are physically unable to filibuster any longer. Now, a filibuster typically begins when a Senator or group of Senators signals their intent to filibuster – which can be done by a private conversation with the majority leader or by quietly placing a bill or nomination on hold. Given the modern Senate's scarce floor time, this threat is usually enough to table the disputed issue until the dissenting Senators cave or until there are definitely enough votes to invoke cloture.
  • Then, last month, before the survey was finished and for reasons still unclear, the Democrats abruptly tried to attach a repeal of the law to the defence appropriations bill, a stratagem the Republicans defeated in a filibuster.
• 3

  governmentpoliticsA member of a legislative body causing such an obstruction.

filibusterverb/ˈfɪlɪbʌstə(ɹ)/

• 1

  To take part in a private military action in a foreign country.

  • According to U.S. law, filibustering was a violation of the Neutrality Law of 1818, which prohibited the organization within the United States of any armed force that intended to attack a friendly foreign power. The American government attempted, through the enforcement of this law, to prevent its citizens from filibustering, mostly by preventing potential filibustering groups from organizing and collecting arms for future operations.
• 2

  To use obstructionist tactics in a legislative body.

  • But as the case had dragged on interminably, and he believed, and the world believed, and the Canadians themselves knew, that they intended to filibuster and postpone as long as possible, he took the common-sense way to a settlement.
  • 1901—Senator Carter successfully filibustered a river and harbor bill because it failed to include certain additional appropriations.