From English-Turkish FreeDict Dictionary ver. 0.3: upsurge /ˈʌpsɜːdʒ/ 1. kabarmak 2. kabarma, yükselme 3. dalga.
upsurge /ˈʌpsɜːdʒ/ 1. kabarmak 2. kabarma, yükselme 3. dalga.