0 a sudden and usually large increase in something:
An upsurge of/in violence in the district has been linked to increased unemployment.
Department stores report a recent upsurge in credit-card fraud.
This was shaped by the upsurge of popular pressure from below.
The past decade has seen a remarkable upsurge of interest in, as well as academic comment upon, the phenomenon of political corruption.
Their conclusions about the upsurge of bourgeois students were the product of ideology.
The grievances, anger, frustration and disillusionment that emerged led to an upsurge in agitation and protests.
But the revolution continues, as the present upsurge of agitation for equal pay shows clearly.
Expanding the repertoire of methods for quantum algorithms was the motivation behind the recent upsurge of interest in quantum walks.
There are various reasons for this upsurge of interest in the process of bilingual word recognition and the system that takes care of it.
That said, and recent upsurge in critical interest notwithstanding, books about 1930s left writers remain in relatively short supply.