A sudden transient rush, flood or increase. / The maximum amplitude of a vehicle's forward/backward oscillation. / (electricity) A sudden electrical spike or increase of voltage and current.

(intransitive) To rush, flood, or increase suddenly. / To accelerate forwards, particularly suddenly.

simple past tense and past participle of surge

plural of surge

(archaic) Abounding in surges.

The action or an instance of a surge.

present participle of surge

plural of surging

(volcanology) A fluidized mass of turbulent gas and rock fragments which is ejected during some volcanic eruptions.

An unexpected, temporary, uncontrolled increase in current or voltage in an electrical circuit; a voltage spike. / An unexpected and uncontrolled increase in the output power of an engine or motor.