upsurge

An upsurge is when there's a sudden rise of something's strength or size. Hordes of people walking around your town with cameras might be due to an upsurge in tourism, for example.

News shows often announce that there's an upsurge of crime or an upsurge of available jobs in public education. The noun upsurge is most often used in this figurative way, rather than to talk about something literally surging up, like stormy waves. These are more likely to be described as a surge, which is actually the root of upsurge — a surge is a "high, rolling swell of water," from the Latin surgere, "to rise."

Definitions of upsurge
  1. noun
    a sudden or abrupt strong increase
    “an upsurge of emotion”
    “an upsurge in violent crime”
    synonyms: surge
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    type of:
    increase, step-up
    the act of increasing something
  2. noun
    a sudden forceful flow
    synonyms: rush, spate, surge
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    types:
    debris storm, debris surge
    the sudden spread of dust and debris from a collapsing building
    onrush
    a forceful forward rush or flow
    type of:
    flow, flowing
    the motion characteristic of fluids (liquids or gases)
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