pressure group pressure gradient • pressure hull · · · Info · Definitions · Synonyms · Characters · · pressure group · · Text Common · · Latin · · Scripts 14 · · Length 3 · · Syllables Definitions · · · (noun) a group of people who try actively to influence legislation. Synonyms: lobby, pressure group, third house. · · Noun Definition 1 Synonyms · · · lobby · · Synonym 1 third house · · Synonym 2 Characters · · space U+0020 e latin small letter e U+0065 g latin small letter g U+0067 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075