campaign · noun C /kæmˈpeɪn/
campaign (ACTIVITIES)
C1 a series of organized activities or events intended to achieve a result
Dictionary example:
an advertising/election campaign
Learner example:
In order to solve problems caused by traffic congestion, perhaps the City Co[u]ncil should consider launching a publicity campaign to show people in Baden the alternative means of transport and the advantages of using them. (Certificate in Advanced English; C1; Chinese)
campaign (WAR)
C1 a series of military attacks
Dictionary example:
a bombing campaign
Learner example:
Another example is the campaign of Alexander the Great. (Certificate in Advanced English; C1; Greek)
campaign · verb I /kæmˈpeɪn/
campaign
C1 to organize a series of activities to try to achieve something
Dictionary example:
to campaign against/for something
Learner example:
Instead of campaigning against tourism, people should [look for] ways of making it better and safer. (International English Language Testing System; C1; Bengali)