1. A series of planned activities or operations designed to achieve a particular goal, especially in politics, marketing, or military affairs
The political campaign lasted six months.
A campanha política durou seis meses.
2. To work systematically and actively to achieve a goal or promote a cause
She campaigned for environmental protection.
Ela fez campanha pela proteção do meio ambiente.
3. A connected series of military operations forming a distinct phase of a war
The military campaign was successful.
A campanha militar foi bem-sucedida.