The move to impeach the country's first female chief justice came after she scuttled several bills, including one that gave more powers to President Mahinda Rajapakse's youngest brother Basil, the economic development minister.
"At various stages of the proceedings of the PSC (parliamentary select committee), two (ruling party) members hurled abuse such as 'mad woman' at the chief justice," her lawyers said in a statement a day after the hearing.
"It became evident that these members had been mandated to ridicule the head of the judiciary and the legal profession."
Bandaranayake and her team of lawyers walked out of the parliamentary select committee on Thursday evening after making a statement that she was not being given a fair hearing.
"She will not attend future hearings," a lawyer close to the case told AFP.
Her lawyers said their repeated requests for documents supporting the 14 allegations against Bandaranayake were not provided by her accusers and the rulin