surge

surge — noun

1. an occasion when a measured figure, such as the price of a product, the level of

1.nounB2
Definition

an occasion when a measured figure, such as the price of a product, the level of demand, or the size of a population, rises sharply and unexpectedly

Example

The city saw a surge in house prices after the new train station opened.

surge in [noun]: rise in prices, demand, etc.

A sudden surge in demand left the bakery with empty shelves by noon.

Common collocations
  • surge in demand
  • surge in prices
  • surge in sales
  • surge in applications
  • sudden surge
  • dramatic surge
Synonyms
  • rise

    a more general word for any upward movement; less dramatic than 'surge'

  • increase

    neutral and broad; does not imply suddenness

  • spike

    a sharp, narrow rise that goes up and down quickly; more technical

  • jump

    informal; suggests a big change noticed at one point in time

Antonyms
  • drop

    a sudden decrease

  • decline

    a gradual decrease over time

Grammar Patterns

surge + in/of + noun

Usage Note

Frequently followed by 'in' to specify what is rising ('surge in prices', 'surge in demand'). Can also take 'of' for the amount or thing itself ('a surge of electricity').

Common Mistakes

There was a surge of prices.
There was a surge in prices.
Use 'in', not 'of', before the thing that is increasing in amount or number.

2. a sudden strong forward movement of a mass of people or a body of water

2.nounB2
Definition

a sudden strong forward movement of a mass of people or a body of water

Example

The crowd moved forward in a surge toward the stage when the band appeared.

surge of [group]: forward movement of people

A surge of protesters flooded the main square after the announcement.

Common collocations
  • surge of people
  • surge of water
  • surge of fans
  • surge of protesters
  • surge of customers
Synonyms
  • rush

    emphasises speed; can be used for both people and liquids

  • flood

    suggests a very large, overwhelming amount that fills a space

  • stream

    implies a continuous, steady flow rather than a sudden burst

Grammar Patterns

surge + of + noun (group/water)

Usage Note

Often followed by 'of' plus a noun describing what is moving ('surge of fans', 'surge of water'). The focus is on the force and speed of the movement, not the distance travelled.

3. a sudden strong feeling that arrives and takes hold of someone

3.nounB2
Definition

a sudden strong feeling that arrives and takes hold of someone

Example

Adaeze felt a surge of pride when her daughter received the award.

surge of pride / anger / hope / relief

A surge of anger swept through Ishaan when he heard the unfair news.

Common collocations
  • surge of pride
  • surge of anger
  • surge of hope
  • surge of relief
  • surge of excitement
  • surge of sadness
Synonyms
  • wave

    more general and slightly less intense; 'a wave of emotion' is common

  • rush

    suggests excitement or adrenaline rather than deeper emotions

  • flood

    implies the emotion is overwhelming and fills the person completely

Grammar Patterns

surge + of + emotion noun

Usage Note

Common with emotion nouns like 'anger', 'pride', 'hope', 'relief', 'excitement', 'sadness'. The feeling is portrayed as arriving suddenly and with force, like a physical wave.

Common Mistakes

I had a surge of being happy.
I felt a surge of happiness.
The feeling itself must be a noun (pride, anger, relief), not a verb or adjective form.

4. a tall mass of sea water that rises up and rolls forward with great force

4.nounB2
Definition

a tall mass of sea water that rises up and rolls forward with great force

Example

The fishing boat was lifted by a massive surge of dark ocean water.

storm surge / surge of water

A powerful surge crashed against the rocks, sending white spray into the air.

Common collocations
  • storm surge
  • tidal surge
  • massive surge
  • powerful surge
  • surge of water
  • surge of the sea
Synonyms
  • wave

    general term for any raised body of water; 'surge' suggests more power and danger

  • swell

    a long, smooth wave without a breaking crest; less violent than a surge

  • billow

    literary; a large rolling wave

Grammar Patterns

storm surge

tidal surge

surge + of + water

Usage Note

Often used in compounds with 'storm' or 'tidal' to indicate the cause ('storm surge', 'tidal surge'). The word carries a sense of danger or natural force.

5. a short, sharp rise in the electrical current or voltage running through a circu

5.nounB2
Definition

a short, sharp rise in the electrical current or voltage running through a circuit or system

Example

A power surge during the storm destroyed Christopher's computer and printer.

compound: power surge

The electrician installed a device to protect the house from sudden power surges.

Common collocations
  • power surge
  • electrical surge
  • voltage surge
  • surge protector
  • surge damage
  • sudden surge
Synonyms
  • power spike

    a very short, sharp surge; more technical than 'power surge'

  • overload

    a situation where too much current flows; different cause but similar effect

Grammar Patterns

power surge

electrical surge

surge + in + power supply

Usage Note

Often forms the compound noun 'power surge'. Common verbs used with it include 'hit', 'damage', 'knock out', and 'protect against'.

Common Mistakes

The power was surge.
There was a power surge.' or 'A power surge hit the building.
'Surge' is a noun here, not an adjective. Use it as a countable thing.

surge — verb

Word family

  • surging
    adjectiveC1
  • upsurge
    nounC1

Synonym discussion

Sense: noun/1

All four words describe something going up, but they differ in speed, shape, and register. 'Increase' is the most neutral and general — it can describe any upward change, slow or fast, big or small ('a steady increase in temperature'). 'Rise' is similar but slightly more natural when something goes up over time ('a rise in unemployment'). 'Surge' adds suddenness and force — it implies a short, powerful upward movement that catches people by surprise ('a surge in demand for masks'). 'Spike' is more technical and suggests a narrow, sharp peak that goes up and then back down quickly ('a spike in blood pressure'). 'Jump' is the most informal and suggests a single big change noticeable at one point ('a jump in stock prices'). For everyday conversation, 'jump' works well; for formal or written English, 'surge' and 'spike' are better. Use 'increase' or 'rise' when you simply need a neutral word for an upward trend.

Common collocations

Phrases

  • on the surge
  • in full surge

Etymology

LatinFrenchEnglish

Surge comes from the Latin verb 'surgere', meaning 'to rise, to spring up'. This was formed by joining 'sub-' (meaning 'up from below') with 'regere' (meaning 'to lead, to keep straight'). The word entered English through Old French 'sourgir', meaning 'to rise or spring forth'. For centuries it was mainly used for the movement of the sea. The metaphorical use for a sudden increase in numbers or feelings appeared in the 1500s. The electrical sense — a brief jump in power — developed in the early 1900s as electrical systems became common.