Simple Definition of upsurge
: a rapid or sudden increase or rise
Full Definition of upsurge
: a rapid or sudden rise <an upsurge in interest>
Did You Know?
An upsurge in drug use sometimes leads to an upsurge in crime. An upsurge of flu cases can be cause for alarm. And an upsurge of fury at overpaid CEOs might lead to new legislation to restrain high salaries. We seem to use upsurge more in negative contexts than in positive ones, but not always; we usually welcome an upsurge of consumer confidence, an upsurge in new-car sales, or an upsurge in the stock market.
First Known Use of upsurge
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