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

Keep scrolling for more

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.
See More

Recent Examples on the Web: Noun

In supplements, such nutrients are taken out of context and don't necessarily work in the same way. Marta Zaraska, chicagotribune.com, "Be leery about vegetarian diets for your pets," 10 July 2019 Still, the findings may do little to shake Americans' strong faith in supplements and vitamins. Erika Edwards, NBC News, "Most dietary supplements do not protect against heart attack and stroke," 8 July 2019 Written by Michael Rosenberg Just a few miles from his BALCO lab that served as the epicenter of the steroid scandal that rocked multiple major sports, Victor Conte is building his name up all over again in the supplement and fitness world. SI.com, "Sports Illustrated's Where Are They Now? Stories," 23 June 2019 The researchers described their tool in April in an online supplement of the journal Sleep. Martin Finucane, BostonGlobe.com, "This new website tells you exactly when to drink coffee if you want to stay sharp," 10 June 2019 An ingredient found in supplements marketed for weight loss and cognitive enhancement might increase women’s chances of suffering from a miscarriage, the FDA says. Maggie O'neill, Health.com, "What Is Vinpocetine? FDA Says This Ingredient in Dietary Supplements Might Increase Your Risk of Having a Miscarriage," 4 June 2019 Extracts from the plant are often featured in supplements marketed as combating memory loss. Jared S. Hopkins, WSJ, "Ginkgo Supplement Was Ginkgo-Free, U.S. Watchdog Finds," 14 Nov. 2018 Considering the Right Dosage Is Crucial to Your Success For the average consumer, the most important thing to factor in is the number of billions of CFUs in a supplement. Lauren Valenti, Vogue, "The Complete Guide to Probiotics, From Supplements to Kombucha," 16 Oct. 2018 The secret ingredient in fun replacement supplement is crack. Fox News, "Gutfeld: Living in the media's lie," 18 Aug. 2018

Recent Examples on the Web: Verb

The subtly shifting pastels of Diane Szczepaniak’s watercolor are supplemented by daubs of the composer’s music, accessible via headphones. Mark Jenkins, Washington Post, "In the galleries: ‘Archiving Eden’ exhibition sprouts interest with macro photos," 5 July 2019 This climatic instability was supplemented by the appearance of a land bridge between Asia and Africa. Paul Manger, Quartz Africa, "Elephants evolved larger brains partly thanks to climate change, say scientists," 28 June 2019 By the 1930s, theodolites were supplemented with cameras and ground expeditions with aerial photography. Ipsita Chakravarty, Quartz India, "How colonialism cost the Himalayas their remoteness," 10 June 2019 The art is supplemented with profiles of people that served with Montlaur, photography, text panels and some of his wartime effects. Jennifer Billock, Smithsonian, "Eleven Museums and Memorials Honoring the 75th Anniversary of D-Day," 4 June 2019 On the Xbox, Microsoft’s first-party games are supplemented by a variety of third-party titles. Hayden Dingman, PCWorld, "Microsoft's fantastic Xbox Game Pass subscription service is coming to the PC," 30 May 2019 The images are supplemented by a 360-degree video function that helps buyers better envision each piece in a space. Vanessa Lawrence, ELLE Decor, "See Inside Ben Soleimani’s Fast-Paced, Stylish Worlds in California and London," 17 Apr. 2019 In Germany, despite a decade of robust economic growth and near full employment, almost four million working people receive welfare benefits to supplement their income. Bojan Pancevski, WSJ, "Europe’s Struggling Political Parties Promise a Return to the Pre-Thatcherite Era," 26 June 2019 But behind the veneer of a high-rolling North Korean card shark was a man supplementing his income with a job as an informant to the CIA, said two people familiar with his activities. Washington Post, "From casino playboy to slain CIA informant: The rise and fall of Kim Jong Un’s half brother," 13 June 2019

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.

See More

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

Keep scrolling for more

Learn More about supplement

Statistics for supplement

Last Updated

14 Jul 2019

Look-up Popularity

Time Traveler for supplement

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

See more words from the same century

Keep scrolling for more

More Definitions for supplement

supplement

noun

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

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

Keep scrolling for more

Comments on supplement

What made you want to look up supplement? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to complain fretfully

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!