campaign campaign /kæmˈpeɪn/

noun

1. () A race between candidates for elective office  ( run , political campaign , campaign )
   a race between candidates for elective office
    I managed his campaign for governor
   I managed his campaign for governor
    He is raising money for a Senate run
   he is raising money for a Senate run
   
2. () A series of actions advancing a principle or tending toward a particular end  ( effort , crusade , drive , campaign , cause , movement )
   a series of actions advancing a principle or tending toward a particular end
    He supported populist campaigns
   he supported populist campaigns
    They worked in the cause of world peace
   they worked in the cause of world peace
    The team was ready for a drive toward the pennant
   the team was ready for a drive toward the pennant
    The movement to end slavery
   the movement to end slavery
    Contributed to the war effort
   contributed to the war effort
   
   
3. () (military) several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)  ( military campaign , campaign )
   (military) several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)
     The politician launched a campaign to win the upcoming election.
   The politician launched a campaign to win the upcoming election.
   
4. An overland journey by hunters (especially in Africa)  ( campaign , safari , hunting expedition )
   an overland journey by hunters (especially in Africa)
    The group embarked on a hunting expedition in the African savannah.
   The group embarked on a hunting expedition in the African savannah.
   
   

verb

1. () Run, stand, or compete for an office or a position  ( campaign , run )
   run, stand, or compete for an office or a position
    Who's running for treasurer this year?
   Who's running for treasurer this year?
   
2. () Exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for  ( agitate , crusade , press , campaign , fight , push )
   exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for
    The liberal party pushed for reforms
   The liberal party pushed for reforms
    She is crusading for women's rights
   She is crusading for women's rights
    The Dean is pushing for his favorite candidate
   The Dean is pushing for his favorite candidate
   
3. Go on a campaign; go off to war  ( campaign , take the field )
   go on a campaign; go off to war