a sudden powerful forward or upward movement, especially by a crowd or by a natural force such as the tide

flooding caused by tidal surges

a dangerous crush followed a surge at the front of the stage

a sudden large increase, typically a temporary one

the firm predicted a 20% surge in sales

the surge of interest in healthy lifestyles

a powerful rush of an emotion or feeling

Sophie felt a surge of anger

a major deployment of military forces to reinforce those already in a particular area

(of a crowd or a natural force) move suddenly and powerfully forward or upward

the journalists surged forward

increase suddenly and powerfully

shares surged to a record high

to meet surging demand, aerospace firms want to increase production

(of an emotion or feeling) affect someone powerfully and suddenly

indignation surged up within her

(of a rope, chain, or windlass) slip back with a jerk