floodgateglossary / FLOODGATE floodgate. (usu. pl.) A restraint that prevents a release of a usu. undesirable result (the new law opened the floodgates of litigation). 词条贡献者 资深译员Christina,毕业于英国一流的高级翻译学院,擅长翻译涉及教育培训领域的法律文件。