filibusterer filibuster • filibusterism · · · Info · Definitions · Synonyms · Characters · · filibusterer · · Text Latin · · Script 12 · · Length Definitions · · · (noun) a legislator who gives long speeches in an effort to delay or obstruct legislation that he (or she) opposes. Synonyms: filibuster. · · Noun Definition 1 Synonyms · · · filibuster · · Synonym 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075