surge - noun

a sudden forceful flow

a sudden or abrupt strong increase

a large sea wave

surge - verb

• rise and move, as in waves or billows
• rise rapidly
• rise or move forward
• rise or heave upward under the influence of a natural force such as a wave
• see one's performance improve

surge - thesaurus

billow   heave   rush   scend   soar   spate   tide   upsurge   zoom