FILIBUSTER

I. noun Etymology: Spanish ~o, literally, freebooter Date: 1851 an irregular military adventurer, 2. \~ (II)] the use of extreme dilatory tactics in an attempt to delay or prevent action especially in a legislative assembly, an instance of this practice, II. verb (-tered; ~ing) Date: 1851 intransitive verb to carry out insurrectionist activities in a foreign country, to engage in a ~, transitive verb to subject to a ~, ~er noun