verb (used without object), up·surged, up·surg·ing.
Examples from the Web for upsurge
On Tuesday, Russia called the upsurge in protests “connivance by Western politicians and European structures.”
But with the upsurge in settler violence, the assault on Palestinian human rights has taken on a whole new dimension.
In 1992, women voted in record numbers ( an upsurge of 16 million voters).
The end result just might be an upsurge in anti-American sentiment.
And now as I have written down tonight's events I feel an upsurge of elation and deep, humble gratitude.The Brain|Alexander Blade