Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun upsurge

2 senses of upsurge

Sense 1
rush, spate, surge, upsurge -- (a sudden forceful flow)
       => flow, flowing -- (the motion characteristic of fluids (liquids or gases))

Sense 2
surge, upsurge -- (a sudden or abrupt strong increase; "stimulated a surge of speculation"; "an upsurge of emotion"; "an upsurge in violent crime")
       => increase, step-up -- (the act of increasing something; "he gave me an increase in salary")