upsurge

US /ˈʌp.sɝːdʒ/
UK /ˈʌp.sɝːdʒ/
"upsurge" picture
1.

an upward surge in the strength or quantity of something; an increase

:
•
There has been an upsurge in violent crime.
•
The company experienced an upsurge in sales after the new marketing campaign.
:
increaserisesurgegrowthescalationboomspikejumpclimbupturn