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English definition of “campaign”

campaign

noun [C]  /kæmˈpeɪn/ us  
a plan consisting of a number of activities directed toward the achievement of an aim: He ran the governor’s campaign for reelection. “Washington’s Crossing” is a history of the military campaign of 1776 and early 1777.

campaign

verb [I]  /kæmˈpeɪn/ us  
to try to achieve something, such as the election of someone to a political office, by taking part in a number of planned activities: She campaigned for a law that would force the town to clean up the lake.
(Definition of campaign from the Cambridge Academic Content Dictionary © Cambridge University Press)
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