English

reduce

gb/ɹɪdˈus/ us/ɹɪdˈus/
A2 English
~ 600
Senses
0 senses
Verb A2 action
1

Make something smaller or less

To make something less in size, number, or amount.

Usage pattern: to reduce [something]
Common mistake:
Learners sometimes confuse 'reduce' with 'remove'. 'Reduce' means to make smaller, not to eliminate completely.
Synonyms
decrease (Very close in meaning; often interchangeable in neutral contexts.)
Antonyms
increase (Opposite in meaning; to make something greater in amount or size.)
Collocations
reduce costs |reduce waste |reduce risk |reduce speed |reduce emissions
Themes
daily life |business |science |core_vocabulary
Examples
  • The company plans to reduce its workforce by 10%.
  • We need to reduce the amount of sugar in our diet.
  • The government is working to reduce air pollution.
  • She reduced her spending after losing her job.
Learner examples
  • I want to reduce my weight.
  • They will reduce the price.
  • We must reduce waste at home.
  • He reduced the speed of the car.
Verb B1 action
2

Lower level or intensity

To make something less strong or less loud.

Usage pattern: to reduce [level/intensity]
Synonyms
diminish (Slightly more formal; can imply gradual decrease.)
Antonyms
increase (To raise the level or intensity of something.)
Collocations
reduce heat |reduce stress |reduce noise
Themes
daily life |health |core_vocabulary
Examples
  • Reduce the heat and let the soup simmer for 10 minutes.
  • Meditation can help reduce stress.
  • They installed panels to reduce noise from the street.
Learner examples
  • Please reduce the heat on the stove.
  • Exercise can reduce stress.
  • We need to reduce noise in the library.
Verb B2 action
3

Bring to weaker state

To make someone or something weaker or less able than before.

Usage pattern: to reduce [someone/something] to [state]
Synonyms
degrade (Often implies moral or social lowering as well.)
Antonyms
elevate (To raise someone or something to a better state.)
Collocations
reduce someone to tears |reduce a city to ruins
Themes
emotions |conflict |core_vocabulary
Examples
  • The bombing reduced the city to rubble.
  • His rude comments reduced her to tears.
  • The illness reduced him to a shadow of his former self.
Learner examples
  • The fire reduced the house to ashes.
  • Her words reduced him to tears.
  • The war reduced the town to ruins.
Verb technical B1 action
4

Cook liquid until thicker

In cooking, to heat a liquid until some water goes away and it becomes thicker.

Usage pattern: to reduce [liquid/sauce]
Synonyms
concentrate (General term for making a liquid stronger; not specific to cooking.)
Antonyms
dilute (To make a liquid weaker by adding water or another liquid.)
Collocations
reduce a sauce |reduce stock
Themes
food |cooking |food_drink
Examples
  • Reduce the sauce over low heat until it thickens.
  • The chef reduced the stock for an hour before serving.
  • You can reduce the wine to intensify its flavor.
Learner examples
  • Reduce the soup until it is thick.
  • The chef will reduce the sauce.
  • Boil the juice to reduce it.
Grammar
Dictionary form
reduce
IPA
GB/ɹɪdˈus/
US/ɹɪdˈus/
Syllables & stress
re - duce (2 syllables)
Stress on 2nd syllable (duce)
Word forms
Verb
  • Base: reduce
  • 3rd Person Singular: reduces
  • Present Participle: reducing
  • Past: reduced
Word family
Forms
reduces verb reducing verb reduced verb
Core family
reduction noun B1
Related words
reducer noun reducible adjective
Negative and opposite forms
increase verb A2 irreducible adjective
Advanced or less common
reductive adjective
Expressions

reduce by half

1
/ɹɪdˈus bˈaɪ hˈæf/
fixed phrase

Make something half as much

To make something 50% smaller in amount or size.

Examples
  • Reduce the recipe by half if you are cooking for two.
  • They managed to reduce their energy use by half.

reduce speed

1
/ɹɪdˈus spˈid/
fixed phrase

Slow down a vehicle's speed

To make a car, bike, or other vehicle go slower.

Examples
  • Drivers should reduce speed in school zones.
  • Reduce speed when approaching sharp curves.

reduce to rubble

1
/ɹɪdˈus tə ɹˈʌbəl/
idiom

Destroy leaving only rubble

To destroy a building so that only broken pieces remain.

Examples
  • The earthquake reduced the entire neighborhood to rubble.
  • Bombing raids reduced the factory to rubble.

reduce to tears

1
/ɹɪdˈus tə tˈɪɹz/
idiom

Make someone start crying

To make someone cry because of your words or actions.

Examples
  • The teacher's harsh criticism reduced the student to tears.
  • His cruel joke reduced her to tears.

Welcome back!

Please sign in to continue

Forgot password?
Don't have an account? Sign up