increase

American  

[in-krees, in-krees] / ɪnˈkris, ˈɪn kris /

verb (used with object)

increased, increasing

1. to make greater, as in number, size, strength, or quality; augment; add to.

   to increase taxes.

   Synonyms:

   prolong, extend, expand

   Antonyms:

   decrease

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verb (used without object)

increased, increasing

1. to become greater, as in number, size, strength, or quality.

   Sales of automobiles increased last year.

   Antonyms:

   wane, lessen, contract, abate, decrease

2. to multiply by propagation.

   Synonyms:

   swell, grow, expand, propagate, propagate

3. to wax, as the moon.

noun

1. growth or augmentation in numbers, size, strength, quality, etc..

   the increase of crime.

2. the act or process of increasing.

   Synonyms:

   expansion, enlargement

3. that by which something is increased.

4. the result of increasing.

5. produce of the earth.

6. product; profit; interest.

7. Obsolete.

   1. multiplication by propagation; production of offspring.

   2. offspring; progeny.

increase British  

/ ɪnˈkriːsɪdlɪ /

verb

1. to make or become greater in size, degree, frequency, etc; grow or expand

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noun

1. the act of increasing; augmentation

2. the amount by which something increases

3. increasing, esp becoming more frequent

Usage

What does increase mean? To increase is to become greater or more in number, amount, size, or in some other way, as in Our profits will increase as demand increases.As a verb, increase is also used in an active way in which someone or something is doing the increasing, as in I’m going to increase my hours at work or These sunglasses increase visibility.Increase can also be used as a noun referring to a rise or growth in something, as in We are experiencing an increase in applicants.It can also refer to the amount by which something has increased, as in The increase was $5,000 per year.The words increased and increasing can both be used as adjectives, as in an increased appetite or increasing sales.The opposite of increase as both a verb and a noun is decrease.Example: My boss increased my workload, which led to an increase in stress.

Other Word Forms

• increasable adjective
• increasedly adverb
• increaser noun
• nonincreasable adjective
• nonincrease noun
• preincrease noun
• proincrease adjective
• quasi-increased adjective
• reincrease verb
• superincrease verb (used with object)
• unincreasable adjective
• unincreased adjective

Etymology

Origin of increase

First recorded in 1370–1395; Middle English incresen, encresen, from Anglo-French encres-, Middle French encreis(s)-, stem of encreistre, from Latin incrēscere, equivalent to in- in- ² + crēscere “to grow”; crescent

Example Sentences

US President Donald Trump has long signalled a desire to increase the defence budget and boost domestic defence manufacturing.

From BBC • Apr. 3, 2026

It’s a historic increase, not seen since the Korean War, when annual defense spending jumped from about $14 billion in 1950 to almost $48 billion in 1952.

From Barron's • Apr. 3, 2026

Kent Smetters, faculty director of the Penn Wharton Budget Model, said: “If you had a 1% increase over a full decade, you’re going to be talking about several trillion dollars.”

From The Wall Street Journal • Apr. 3, 2026

A second price increase for Netflix subscriptions in just over a year also provided a boost to the stock in late March.

From MarketWatch • Apr. 3, 2026

I thanked God for the increase of poplar trees dotting the land along the road.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri

Related Words

• advance
• boost
• broaden
• build
• build up
• deepen
• develop
• double
• enhance
• enlarge
• escalate
• expand
• extend
• further
• heighten
• intensify
• multiply
• raise
• reinforce
• rise