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The domination of a political organization by a boss.
(Government, Politics & Diplomacy) US the domination or the system of domination of political organizations by bosses
boss•ism(ˈbɔ sɪz əm, ˈbɒs ɪz-)
control by bosses.
U.S. a control by bosses, especially political bosses.See also: Politics
The domination of a political organization by powerful professional politicians.