Definition of “campaign” - English Dictionary

“campaign” in British English

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campaignnoun [ C ]

uk /kæmˈpeɪn/ us /kæmˈpeɪn/

C1 a planned group of especially political, business, or military activities that are intended to achieve a particular aim:

The protests were part of their campaign against the proposed building development in the area.
This is the latest act of terrorism in a long-standing and bloody campaign of violence.
The endless public appearances are an inevitable part of an election campaign.
She's the campaign organizer for the Labour Party.
a controversial new advertising campaign

C1 a group of connected actions or movements that forms part of a war:

a bombing campaign

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campaignverb [ I ]

uk /kæmˈpeɪn/ us /kæmˈpeɪn/

C1 to organize a series of activities to try to achieve something:

[ + to infinitive ] They've been campaigning for years to get him out of prison.
He's spending a lot of his time at the moment campaigning for/on behalf of the Conservative Party.
They're busy campaigning against the building of a new motorway near here.

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(Definition of “campaign” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“campaign” in American English

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campaignnoun [ C ]

us /kæmˈpeɪn/

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.

campaignverb [ I ]

us /kæmˈpeɪn/

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)

“campaign” in Business English

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campaignnoun [ C ]

uk /kæmˈpeɪn/ us POLITICS, MARKETING

a planned series of activities that are intended to achieve a particular aim:

The convention and visitor bureaus announced a $5 million marketing campaign.
election campaign The Opposition leader launched his election campaign.
launch/mount/start a campaign The university has launched a campus-wide campaign to reduce use of fossil fuels.

campaignverb [ I ]

uk /kæmˈpeɪn/ us

to organize a series of activities to try to achieve something:

campaign for/against sth He won the election in November by campaigning against a tax increase.

(Definition of “campaign” from the Cambridge Business English Dictionary © Cambridge University Press)