1. A system or process that is unstable, unpredictable, or prone to sudden change or failure
The stock market can be a volatile system, with prices fluctuating dramatically.
O mercado de ações pode ser um sistema volátil, com preços flutuando dramaticamente.
2. In computing, a system that loses stored data when powered off or that is subject to sudden crashes
Volatile memory in computers is temporary and requires constant power.
A memória volátil em computadores é temporária e requer energia constante.
3. A social, political, or economic system characterized by instability and potential for sudden upheaval
The region experienced a volatile system of governance with frequent governmental changes.
A região experimentou um sistema volátil de governança com mudanças governamentais frequentes.