[fil.i.bus.ter] n [Sp filibustero, lit., freebooter] (1851) 1: an irregular military adventurer; specif: an American engaged in fomenting insurrections in Latin America in the mid-19th century
2. [
[2]filibuster] a: the use of extreme dilatory tactics in an attempt to delay or prevent action esp. in a legislative assembly b: an instance of this practice
[2]filibuster vb -tered ; -ter.ing vi (1853) 1: to carry out insurrectionist activities in a foreign country
2: to engage in a filibuster ~ vt: to subject to a filibuster -- fil.i.bus.ter.er n