The Macmillan Dictionary blog explores English as it is spoken around the world today. Free thesaurus definition of systems of government and types of government from the Macmillan English Dictionary-a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.he Macmillan Dictionary blog explores English as it is spoken around the world today. Free thesaurus definition of systems of government and types of government from the Macmillan English Dictionary-a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.