reduce

verb
re·​duce | \ ri-ˈdüs How to pronounce reduce (audio) , -ˈdyüs \
reduced; reducing

Definition of reduce

transitive verb

1a : to draw together or cause to converge : consolidate reduce all the questions to one
b(1) : to diminish in size, amount, extent, or number reduce taxes reduce the likelihood of war
(2) : to decrease the volume and concentrate the flavor of by boiling add the wine and reduce the sauce for two minutes
c : to narrow down : restrict the Indians were reduced to small reservations
d : to make shorter : abridge
2 archaic : to restore to righteousness : save
3 : to bring to a specified state or condition the impact of the movie reduced them to tears
4a : to force to capitulate
b : force, compel
5a : to bring to a systematic form or character reduce natural events to laws
b : to put down in written or printed form reduce an agreement to writing
6 : to correct (a fracture) by bringing displaced or broken parts back into their normal positions
7a : to lower in grade or rank : demote
b : to lower in condition or status : downgrade
8a : to diminish in strength or density
b : to diminish in value
9a(1) : to change the denominations or form of without changing the value
(2) : to construct a geometrical figure similar to but smaller than (a given figure)
b : to transpose from one form into another : convert
c : to change (an expression) to an equivalent but more fundamental expression reduce a fraction
10 : to break down (as by crushing or grinding) : pulverize
11a : to bring to the metallic state by removal of nonmetallic elements reduce an ore by heat
b : deoxidize
c : to combine with or subject to the action of hydrogen
d(1) : to change (an element or ion) from a higher to a lower oxidation state
(2) : to add one or more electrons to (an atom or ion or molecule)
12 : to change (a stressed vowel) to an unstressed vowel

intransitive verb

1a(1) : to become diminished or lessened especially : to lose weight by dieting
(2) : to become reduced ferric iron reduces to ferrous iron
b : to become concentrated or consolidated
c : to undergo meiosis
2 : to become converted or equated

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Other Words from reduce

reducer noun
reducibility \ ri-​ˌdü-​sə-​ˈbi-​lə-​tē How to pronounce reduce (audio) , -​ˌdyü-​ \ noun
reducible \ ri-​ˈdü-​sə-​bəl How to pronounce reduce (audio) , -​ˈdyü-​ \ adjective
reducibly \ ri-​ˈdü-​sə-​blē How to pronounce reduce (audio) \ adverb

Synonyms & Antonyms for reduce

Synonyms

Antonyms

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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

conquer, vanquish, defeat, subdue, reduce, overcome, overthrow mean to get the better of by force or strategy. conquer implies gaining mastery of. Caesar conquered Gaul vanquish implies a complete overpowering. vanquished the enemy and ended the war defeat does not imply the finality or completeness of vanquish which it otherwise equals. the Confederates defeated the Union forces at Manassas subdue implies a defeating and suppression. subdued the native tribes after years of fighting reduce implies a forcing to capitulate or surrender. the city was reduced after a month-long siege overcome suggests getting the better of with difficulty or after hard struggle. overcame a host of bureaucratic roadblocks overthrow stresses the bringing down or destruction of existing power. violently overthrew the old regime

Examples of reduce in a Sentence

The medicine reduces the risk of infection. We are trying to reduce our debt. Stricter speed limit enforcement has reduced the number of car accidents. Her prison sentence was reduced from 15 years to 10.
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Recent Examples on the Web The move to scale back steelmaking capacity, if successful, might reduce demand for iron ore over the medium term, which would weigh on prices once the stockpiling rush is over. Jacky Wong, WSJ, "Record Iron Ore Prices Have Rusty Underpinnings," 10 May 2021 According to the legislation, that would reduce the risk of exposing companies licensed to be part of the industry to penalties under federal law, which has not approved medical use of marijuana. Mike Cason | Mcason@al.com, al, "What’s in Alabama’s medical marijuana bill?," 10 May 2021 The excitement is further exacerbated by Ethereum’s ongoing transition to Ethereum 2.0, a set of upgrades expected to dramatically increase the speed of on-chain transactions and reduce energy consumption, among others. Nina Bambysheva, Forbes, "Ether Breaks Past $4,000, Adding More Than $300 Million To Vitalik Buterin’s Wealth," 10 May 2021 Health plans’ pharmacy directors cared mainly about controlling drug spending year over year, ignoring the potential for a new treatment to reduce hospitalizations or visits to the emergency room, or to improve quality of life. Dan Ollendorf, STAT, "Rather than turning its back on the QALY, pharma should collaborate on efforts to improve it," 9 May 2021 The suits asked courts to reduce jail and prison populations, eliminate overcrowding that makes social distancing practically impossible, or take steps to protect older and medically at-risk detainees, like Leaks. Kevin Mccoy, USA TODAY, "'Afraid of dying in here': How inmates fought for COVID vaccinations, protections after jails and prisons failed to protect them," 8 May 2021 Would the pandemic reduce the event to a shell of its normal self? Hayden Grove, cleveland, "Cleveland shines in its NFL Draft moment: Hayden Grove," 8 May 2021 Lack of sleep, Anolik adds, may also reduce your skin's ability to battle ultraviolet damage and free radicals. Emily Listfield, Allure, "How My Skin Wore My Grief," 8 May 2021 The Centers for Disease Control and Prevention reports this: For drivers and front-seat passengers, seat belts reduce the risk of death by 45%, and cut the risk of serious injury by 50%. Frank Fellone, Arkansas Online, "Regardless, seat belts are the law," 8 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reduce.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of reduce

14th century, in the meaning defined at transitive sense 1a

History and Etymology for reduce

Middle English, to lead back, from Latin reducere, from re- + ducere to lead — more at tow entry 1

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Time Traveler for reduce

Time Traveler

The first known use of reduce was in the 14th century

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Statistics for reduce

Last Updated

12 May 2021

Cite this Entry

“Reduce.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reduce. Accessed 17 May. 2021.

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More Definitions for reduce

reduce

verb

English Language Learners Definition of reduce

: to make (something) smaller in size, amount, number, etc.
: to cause (someone) to be in a specified state or condition
: to cause (something) to be in a specified form by breaking it, burning it, etc.

reduce

verb
re·​duce | \ ri-ˈdüs How to pronounce reduce (audio) , -ˈdyüs \
reduced; reducing

Kids Definition of reduce

1 : to make smaller or less reduce expenses Reduce your speed ahead.
2 : to bring to a usually worse state The story reduced them to tears.
3 : to lower in grade or rank
4 : to change to a simpler form Reduce a fraction to its lowest terms.
5 : to lose weight by dieting

reduce

verb
re·​duce | \ ri-ˈd(y)üs How to pronounce reduce (audio) \
reduced; reducing

Medical Definition of reduce

transitive verb

1 : to correct (as a fracture or a herniated mass) by bringing displaced or broken parts back into their normal positions
2a : to bring to the metallic state by removal of nonmetallic elements reduce an ore by heat
b : deoxidize
c : to combine with or subject to the action of hydrogen
d(1) : to change (an element or ion) from a higher to a lower oxidation state
(2) : to add one or more electrons to (an atom or ion or molecule)

intransitive verb

1 : to become diminished or lessened especially : to lose weight by dieting
2 : to become reduced ferric iron reduces to ferrous iron
3 : to undergo meiosis

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re·​duce | \ ri-ˈdüs, -ˈdyüs How to pronounce reduce (audio) \
reduced; reducing

Legal Definition of reduce

1 : to make smaller
2a : to convert (a chose in action) into a chose in possession enforcement action sought to reduce to possession her property interest in the…determination of money damagesHaynes v. Contat, 643 N.E.2d 941 (1994)
b : to convert by enforcement through litigation may reduce a claim to judgment, foreclose, or otherwise enforce the claimUniform Commercial Code
reduce to practice
: to cause to undergo reduction to practice

Other Words from reduce

reducibility \ -​ˌdü-​sə-​ˈbi-​lə-​tē, -​ˌdyü-​ How to pronounce reduce (audio) \ noun
reducible \ -​ˈdü-​sə-​bəl, -​ˈdyü-​ How to pronounce reduce (audio) \ adjective
reducibly adverb
reduction \ ri-​ˈdək-​shən How to pronounce reduce (audio) \ noun

Comments on reduce

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