decrease

1 of 2

verb

de·​crease di-ˈkrēs  ˈdē-ˌkrēs 

decreased; decreasing

intransitive verb

: to grow progressively less (as in size, amount, number, or intensity)

Yearly sales decreased by five percent.

His little remaining strength had been decreasing rapidly for two or three days preceding …

—Charles Dickens

transitive verb

: to cause to decrease

decrease the risk of heart disease

trying to decrease our use of fossil fuels

decreasingly

di-ˈkrē-siŋ-lē 

dē-

adverb

decrease

2 of 2

noun

de·​crease ˈdē-ˌkrēs  di-ˈkrēs 

1

: the process of growing progressively less (as in size, amount, number, or intensity) : the process of decreasing

a decrease in productivity

2

: an amount of diminution : reduction

a decrease of 20,000

saw a 20% decrease in violent crime

Synonyms

Verb

• abate
• de-escalate
• dent
• deplete
• diminish
• downscale
• downsize
• drop
• dwindle
• ease
• knock down
• lessen
• lower
• reduce

Noun

• abatement
• decline
• decrement
• dent
• depletion
• depression
• diminishment
• diminution
• drop
• drop-off
• fall
• falloff
• loss
• reduction
• shrinkage
• step-down

Choose the Right Synonym for decrease

decrease, lessen, diminish, reduce, abate, dwindle mean to grow or make less.

decrease suggests a progressive decline in size, amount, numbers, or intensity.

slowly decreased the amount of pressure

lessen suggests a decline in amount rather than in number.

has been unable to lessen her debt

diminish emphasizes a perceptible loss and implies its subtraction from a total.

his visual acuity has diminished

reduce implies a bringing down or lowering.

you must reduce your caloric intake

abate implies a reducing of something excessive or oppressive in force or amount.

the storm abated

dwindle implies progressive lessening and is applied to things growing visibly smaller.

their provisions dwindled slowly

Examples of decrease in a Sentence

Verb

Sales decreased by five percent this year.

The driver decreased her speed as she approached the curve.

These changes will decrease our expenses.

Noun

Studies report a recent decrease in traffic accidents.

Because of the injury, some decrease in mobility is to be expected.

a decrease of three dollars

Recent Examples on the Web

Verb

Iron Ore production decreased by 4.5% to 67.7 million metric tons due to heavy rainfall in Brazil. —Trefis Team, Forbes.com, 20 May 2025

Although the unsheltered population in the city of L.A. decreased last year from 32,680 to 29,275, and is projected to decline again this year, residents and business owners continue to express frustration with the city’s handling of the homelessness crisis. —Ruben Vives, Los Angeles Times, 20 May 2025

Noun

Hard Rock Northern Indiana saw a decrease in earnings with about $38.5 million reported for March 2025 compared to $42.6 million reported in March 2024. —Alexandra Kukulka, Chicago Tribune, 21 May 2025

The annual point-in-time count, which was publicly released Tuesday, saw decreases in shelters and on sidewalks. —Blake Nelson, San Diego Union-Tribune, 20 May 2025

Word History

Etymology

Verb and Noun

Middle English decreessen, from Anglo-French decrestre, from Latin decrescere, from de- + crescere to grow — more at crescent

First Known Use

Verb

14th century, in the meaning defined at intransitive sense

Noun

14th century, in the meaning defined at sense 1

Phrases Containing decrease

• on the decrease

Rhymes for decrease

• apiece
• aris
• assise
• caprice
• cerise
• decease
• eyepiece
• facepiece
• handpiece
• headpiece
• increase
• mouthpiece

Kids Definition

decrease

1 of 2 verb

de·​crease di-ˈkrēs  ˈdē-ˌkrēs 

decreased; decreasing

: to make or become smaller

decrease speed

decrease 6 by 2

decrease

2 of 2 noun

de·​crease ˈdē-ˌkrēs  di-ˈkrēs 

1

: a process of decreasing

a decrease in accidents

2

: the amount by which a thing decreases

a decrease of three dollars