1. to rise and move in a billowing or swelling manner.
2. to roll or be tossed about on waves, as a boat.
3. to move like advancing waves: the fans surged forward to see the movie star.
4. to increase suddenly: as favorable reviews came out, interest in the software surged.
5. to improve one's performance suddenly, especially in bettering one's standing in a competition.
6. nautical to slip around a windlass. used of a rope.
7. nautical to loosen or slacken (a cable) gradually.
8. A heavy billowing or swelling motion like that of great waves.
9. wave motion with low height and a shorter period than a swell.
10. A coastal rise in water level caused by wind.
11. the forward and backward motion of a ship subjected to wave action.
12. A sudden onrush: a surge of joy.
13. A period of intense effort that improves a competitor's standing, as in a race.
14. A sudden, transient increase or oscillation in electric current or voltage.
15. an instability in the power output of an engine.
16. astronomy A brief, violent disturbance occurring during the eruption of a solar flare.
17. nautical the part of a windlass into which the cable surges.
18. nautical A temporary release or slackening of a cable.

1. A sudden rush, flood or increase which is transient.
2. the maximum amplitude of a vehicles' forward/backward oscillation
3. A sudden electrical spike or increase of voltage and current.
4. the swell or heave of the sea. (fm 55-501).
5. to rush, flood, or increase suddenly.
6. to accelerate forwards, particularly suddenly.
7. to slack off a line.

1. A spring; a fountain.
2. A large wave or billow; a great, rolling swell of water, produced generally by a high wind.
3. the motion of, or produced by, a great wave.
4. the tapered part of a windlass barrel or a capstan, upon which the cable surges, or slips.
5. to swell; to rise hifg and roll.
6. to slip along a windlass.
7. to let go or slacken suddenly, as a rope; ; also, to slacken the rope about (a capstan).

1. to rise and fall, as a ship on the waves; especially, to ride near the shore; ride at anchor.
2. to rise high and roll, as waves: literally or figuratively.
3. nautical: to slip back: as, the cable surges.
4. to let go a piece of rope suddenly; slack a rope up suddenly when it renders round a pin, a winch, windlass, or capstan.
5. in electricity, to oscillate violently: said of oscillatory rushes of current.
6. to cause to rise and swell forth with a billowy motion.
7. A spring; a fountain; a source of water.
8. A large wave or billow; a great rolling swell of water; also, such waves or swells collectively: literally or figuratively.
9. the act of surging, or of heaving in an undulatory manner.
10. in ship-building, the tapered part in front of the whelps, between the chocks of a capstan, on which a rope may surge.
11. any change of barometric level which is not due to the passage of an area of low pressure or to diurnal variation.
12. in electricity, a sudden rush of current; specifically, the violent oscillations which may occur in alternating-current circuits when the conditions for resonance are fulfilled, or which may be set up in conductors by the inductive action of lightning.

1. a sudden forceful flow
2. a sudden or abrupt strong increase
3. a large sea wave
4. rise rapidly
5. rise and move, as in waves or billows
6. see one's performance improve
7. rise or heave upward under the influence of a natural force such as a wave
8. rise or move forward