1. rapid, unchecked growth or development of something without proper regulation or management
The uncontrolled expansion of the city led to environmental problems.
A expansão descontrolada da cidade causou problemas ambientais.
2. in economics, rapid increase in business operations, market presence, or financial activity without adequate planning or oversight
The company's uncontrolled expansion resulted in financial difficulties.
A expansão descontrolada da empresa resultou em dificuldades financeiras.
3. in urban planning, unregulated growth of urban areas beyond planned boundaries
Uncontrolled expansion of suburbs threatens agricultural land.
A expansão descontrolada dos subúrbios ameaça terras agrícolas.