supplement

noun
sup·​ple·​ment | \ ˈsə-plə-mənt How to pronounce supplement (audio) \

Definition of supplement

 (Entry 1 of 2)

1a : something that completes or makes an addition
2 : a part added to or issued as a continuation of a book or periodical to correct errors or make additions
3 : an angle or arc that when added to a given angle or arc equals 180°

supplement

verb
sup·​ple·​ment | \ ˈsə-plə-ˌment How to pronounce supplement (audio) \
supplemented; supplementing; supplements

Definition of supplement (Entry 2 of 2)

transitive verb

: to add or serve as a supplement to does odd jobs to supplement his income

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Other Words from supplement

Verb

supplementation \ ˌsə-​plə-​ˌmen-​ˈtā-​shən How to pronounce supplementation (audio) , -​mən-​ \ noun
supplementer \ ˈsə-​plə-​ˌmen-​tər How to pronounce supplementer (audio) \ noun

Examples of supplement in a Sentence

Noun the supplement to the encyclopedia First-class accommodation is available for a supplement. Verb She began supplementing her diet with vitamins.
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Recent Examples on the Web: Noun Most local hemp is intended for extraction of cannabidiol— better known as CBD_a compound that is non-intoxicating and is marketed as a health supplement. Neil Johnson, chicagotribune.com, "Once arrested at a marijuana grow operation, he moved back to rural Wisconsin and is growing hemp. Now, the biggest risk factor might be the Midwestern winter.," 9 Nov. 2019 Vitamin E acetate, which is sold legally, is commonly used as a nutritional supplement and in skin-care products. oregonlive, "Some patients with vaping-related lung injuries are being hospitalized a second time," 12 Oct. 2019 For instance, the economists propose a new national income tax that would tax all income — whether from labor, capital or other sources — as a supplement to the existing income tax. Aimee Picchi, CBS News, "America's richest 400 families now pay a lower tax rate than the middle class," 9 Oct. 2019 Vitamin E acetate, which is sold legally, is commonly used as a nutritional supplement and in skin-care products. Lena H. Sun, The Denver Post, "Vaping lung injuries top 1,000 cases as deaths rise to 18," 3 Oct. 2019 Milk would have given Neolithic mothers something extra to feed their babies, either as a supplement or to help wean them off breastfeeding. Kiona N. Smith, Ars Technica, "Ancient sippy cup may hold clues about agriculture’s spread in Europe," 2 Oct. 2019 Vitamin E acetate, which is sold legally, is commonly used as a nutritional supplement and in skin-care products. Author: Lena H. Sun, Laurie Mcginley, Anchorage Daily News, "Most vaping-related lung injuries linked to marijuana products, CDC says," 27 Sep. 2019 Food banks, ranging from factory-style operations to small outfits run out of a church cupboard, remain in high demand as a supplement to food-stamps benefits, which average $1.40 per meal. The Economist, "Non-public optionsHow much can enterprise and philanthropy help alleviate American poverty?," 26 Sep. 2019 Vitamin E acetate is sold as a nutritional supplement and isn’t harmful when ingested or applied as a skin treatment, according to the Post. Yasemin Saplakoglu, Scientific American, "Contaminant That May Be Causing the Mysterious Vaping-Related Illnesses Found," 6 Sep. 2019 Recent Examples on the Web: Verb This is supplemented with market prices for energy, enabling Statkraft to match demand with supply in real time. Hanna Ziady, CNN, "No wind? No sun? This power plant solves renewable energy's biggest problem," 7 Nov. 2019 According to Bankrate’s Side Hustle Survey, 43% of full-time American employees work a side hustle, and three in 10 of those gig workers are doing it to supplement their income and cover regular living costs. Rhett Power, chicagotribune.com, "3 secrets for a successful side hustle," 22 Oct. 2019 Sam’s Club emphasized that the new initiative is not a health insurance plan but a discount health program designed to supplement insurance and bring down the costs patients pay out of pocket. San Diego Union-Tribune, "Walmart’s Sam’s Club launches health care pilot to members," 26 Sep. 2019 Plant one or more containers of firebush in full sun on the patio to supplement your sugar water feeders and help attract more hummingbirds on the patio for observation. Calvin Finch, ExpressNews.com, "It’s time to prep your roses, San Antonio," 16 Aug. 2019 Instead of trying to trade starters Robbie Ray and Zack Greinke, supplementing them suddenly is an option. John Shea, SFChronicle.com, "Critical time for Giants, other teams to make tough calls on future," 27 July 2019 The council could suggest a carbon pricing system (to supplement or enhance RGGI), a variety of regulations, or, like most states, a mix. David Roberts, Vox, "New York just passed the most ambitious climate target in the country," 20 June 2019 The program provides data to supplement DNR surveys and and offers the public an opportunity to help determine the status of forest carnivores in the state. Paul A. Smith, Milwaukee Journal Sentinel, "Smith: Wisconsin was home to at least 914 wolves last winter. How does that compare, and what's the significance?," 23 May 2019 That pool of money continues to build, supplemented by new cash each day, and is paid out in full only if there is one unique ticket - the proverbial pot of gold at the end of the rainbow. Charles Curtis, USA TODAY, "Jockey falling at finish costs bettor $571,000," 29 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'supplement.' 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 supplement

Noun

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

Verb

1659, in the meaning defined above

History and Etymology for supplement

Noun

Middle English, from Latin supplementum, from supplēre to fill up, complete — more at supply entry 2

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Statistics for supplement

Last Updated

17 Nov 2019

Time Traveler for supplement

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

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More Definitions for supplement

supplement

noun
How to pronounce supplement (audio)

English Language Learners Definition of supplement

 (Entry 1 of 2)

: something that is added to something else in order to make it complete
: an extra part that is added to a book or newspaper
British : an amount of money that must be paid in addition to the regular price

supplement

verb
How to pronounce supplement (audio)

English Language Learners Definition of supplement (Entry 2 of 2)

: to add something to (something) in order to make it complete

supplement

noun
sup·​ple·​ment | \ ˈsə-plə-mənt How to pronounce supplement (audio) \

Kids Definition of supplement

 (Entry 1 of 2)

: something that supplies what is needed or adds to something else a food supplement

supplement

verb
sup·​ple·​ment | \ ˈsə-plə-ˌment How to pronounce supplement (audio) \
supplemented; supplementing

Kids Definition of supplement (Entry 2 of 2)

: to add to : complete Many workers supplement their incomes by doing odd jobs.

supplement

noun
sup·​ple·​ment | \ ˈsəp-lə-mənt How to pronounce supplement (audio) \

Medical Definition of supplement

 (Entry 1 of 2)

1 : something that completes or makes an addition

supplement

transitive verb
sup·​ple·​ment | \ ˈsəp-lə-ˌment How to pronounce supplement (audio) \

Medical Definition of supplement (Entry 2 of 2)

: to add a supplement to : serve as a supplement for utilizes…surgery to supplement the traditional treatmentTherapeutic Notes

Other Words from supplement

supplementation \ ˌsəp-​lə-​ˌmen-​ˈtā-​shən, -​mən-​ How to pronounce supplementation (audio) \ noun

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Comments on supplement

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