1. To expand one's authority, power, or dominance over a larger area, group, or domain
The company seeks to extend control over the entire market sector.
A empresa procura estender o controle sobre todo o setor de mercado.
2. To increase the reach or scope of management or command
The government attempted to extend control into remote regions.
O governo tentou estender o controle para regiões remotas.
3. To prolong or maintain dominion over something
They worked to extend control of the territory.
Eles trabalharam para estender o controle do território.