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

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”; see crescent

Explanation

The noun increase indicates growth of something that gets bigger in number or volume. When used as a verb, it means the act of growing or gaining more. However it's used, it refers to something that has gotten bigger. Anything that can add on can increase. You can increase your speed to go faster, increase your strength by working out, increase your knowledge by studying, and increase your circle of friends by meeting more people. You can work harder to see an increase of profits, and you can prevent an increase in your electric bill by turning out unnecessary lights. And now you’ve increased your vocabulary by learning a new word!

Example Sentences

You reduce your Social Security benefits by 30% if you claim at 62 and you forgo a roughly 8%-a-year additional increase if you retire at 67, your full retirement age, rather than 70.

From MarketWatch • Apr. 23, 2026

The board approved a $1.5 billion increase to its share repurchase authorization, it said.

From The Wall Street Journal • Apr. 23, 2026

"What's particularly encouraging is that the benefit appears to increase over time rather than fade, and that it behaves like a drug in terms of dose response," Dr. Sullivan said.

From Science Daily • Apr. 23, 2026

Oldham Council has not said whether the increase in Ahsan's case was in line with its general increase in fees or due to a change in his circumstances.

From BBC • Apr. 23, 2026

No one should be afraid to increase his property for fear that it will be taken away from him, while no one should shrink from undertaking any business through fear of taxes.

From "The Prince" by Niccolò Machiavelli

Related Words

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