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Synonyms

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

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. the act of increasing; augmentation

  2. the amount by which something increases

  3. increasing, esp becoming more frequent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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!

Keep Reading on Vocabulary.com

Vocabulary lists containing increase

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Analysts expect Intel’s data center segment to increase revenue by 13% this year compared with an anemic 2% growth projected for the company’s PC business, according to estimates from FactSet.

From The Wall Street Journal • Apr. 19, 2026

George Diamondis, Tourism NI's head of business solutions, said golf in Northern Ireland was in "an amazing place" - and there were a number of factors behind the "huge increase in appetite".

From BBC • Apr. 19, 2026

By helping ants learn bait locations more quickly and recruit more nestmates, caffeine could increase how effectively poison spreads through a colony before the ants detect it.

From Science Daily • Apr. 18, 2026

A 9.5% increase would pass costs to renters, who make up two-thirds of residents, further worsening the housing crisis in a city where the median one-bedroom monthly rent exceeds $3,700.

From MarketWatch • Apr. 18, 2026

“And increase the sales of your stink bait!”

From "Hope Springs" by Jaime Berry