Definition of "Surge" :

noun: a sudden or abrupt strong increase

"Stimulated a surge of speculation."

noun: a large sea wave

noun: a sudden forceful flow

verb: see one's performance improve

"He levelled the score and then surged ahead."

verb: rise or heave upward under the influence of a natural force such as a wave

"The boats surged."

verb: rise or move forward

verb: rise rapidly

verb: rise and move, as in waves or billows

"The army surged forward."