From Longman Dictionary of Contemporary Englishfilibusterfil‧i‧bus‧ter /ˈfɪləbʌstə $ -ər/ verb [intransitive, transitive] PGPto try to delay action in Congress or another law-making group by making very long speeches Opponents of the bill tried to filibuster its final stages. —filibuster noun [countable]→ See Verb table
Examples from the Corpus
filibuster• Opponents in the Senate have vowed to filibuster.• Daschle has said Democrats may filibuster the budget for the investigation if their objections are not addressed.Origin filibuster (1800-1900) Spanish filibustero “pirate” 