supplement

noun
sup·​ple·​ment | \ˈsə-plə-mənt \

Definition of supplement 

(Entry 1 of 2)

1a : something that completes or makes an addition

b : dietary supplement

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 \
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 , -​mən-​ \ noun
supplementer \ ˈsə-​plə-​ˌmen-​tər \ 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

Celebrities love to say that the secret to glowing skin is to drink a lot of water—and by the way, use this cream, or take this supplement. Rachel Jacoby Zoldan, SELF, "The 9 Best Skin-Care Tips I’ve Learned in 10 Years of Being a Beauty Editor," 13 July 2018 For instance, deep conditioning on a regular basis, taking supplements such as Nutrafol, and sleeping on a silk pillowcase are three ways to make a difference in the strength of your hair. Kaleigh Fasanella, Allure, "7 Bad Styling Habits to Avoid If You Have Breakage-Prone Hair," 19 June 2018 One trial, which included 60 women, showed that those who took a daily satiereal supplement snacked less and lost more weight than the group who didn't. refinery29.com, "The Problem With Those Appetite-Suppressant Lollipops Kim Kardashian Is Advertising," 11 July 2018 Products offered include lip balm, muscle rub, bug spray, deodorant, toothpaste, syrups, teas, iron supplements and more. Austen Erblat, Sun-Sentinel.com, "Sunshine Organic Herbals now open in Delray Beach," 6 July 2018 Customers can also save 30 percent off Amazon-brand essentials, including baby products; beauty items; food and beverage; household essentials; lotion and sunscreen; and supplements and vitamins. Chris Sims, Indianapolis Star, "Amazon is already offering Prime Day deals before July 16," 5 July 2018 Again, consider taking a B-complex vitamin supplement. Richard A. Marini, San Antonio Express-News, "6 foods to avoid if you’re taking these prescription drugs," 6 Mar. 2018 With master agreements nailed down for both the freight and small package national master contracts, the union and the shipping giant will continue to hash out terms of supplements and local agreements. Grace Schneider, The Courier-Journal, "UPS reaches a tentative agreement on a contract with the Teamsters," 13 July 2018 But the trip also had a business purpose: Foxconn last summer agreed to help central Wisconsin ginseng growers reach new markets in Asia, where the root is popular as a health supplement. Rick Romell, Milwaukee Journal Sentinel, "Before leaving Wisconsin, Foxconn Chairman Terry Gou visits a ginseng farm and a supper club near Wausau," 3 July 2018

Recent Examples on the Web: Verb

His final opportunity to supplement the 2018 roster concludes with the close of the summer transfer window on Aug. 8. Sam Mcdowell, kansascity, "As transfer window opens, Sporting KC sets sights on striker," 11 July 2018 In addition to the Jobs Van, there will be two additional outreach workers on the street to supplement the work of Greater Cincinnati Behavioral Health Services and DCI. Kate Murphy, Cincinnati.com, "Jobs Van offers Cincinnati panhandlers $45 cash for a day's work," 11 July 2018 There are any number of reasons why NASCAR's fan base is dwindling: competition with other sports for fans; a lack of younger fans to supplement the older base; a less exciting on-track product; and a handful of other substantial issues. Brendan Marks, charlotteobserver, "Blaming NASCAR's young drivers for attendance issues just a sign of a greater problem," 6 July 2018 To date firms have financed their expansion plans largely by selling shares, supplemented by funding from smaller investment banks and credit unions. The Economist, "Canada’s cannabis firms plot world domination," 5 July 2018 The twenty-inch isohyet offered a valuable generalization — conventional agriculture simply could not work without twenty or more inches a year, unless supplemented by irrigation. Johnforristerross, Longreads, "Taming the Great American Desert," 2 July 2018 Its officers, supplemented by about 2,800 officers from across the country, successfully handled day to day security leading up to and through the convention. Robert Higgs, cleveland.com, "Audit gives Cleveland strong marks for its handling of $49.9M grant for RNC security," 6 Feb. 2018 The alternative explanation — that these core natural differences between men and women have been supplemented by centuries of conscious oppression — is staring us in the face. Andrew Sullivan, Daily Intelligencer, "#MeToo and the Taboo Topic of Nature," 19 Jan. 2018 This isn’t the first time Philadelphia has explored the idea of using civilians to supplement police. Jason Laughlin, Philly.com, "Police union opposes using civilian workers for traffic enforcement in Philly," 25 Jan. 2018

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

Share supplement

Statistics for supplement

Last Updated

3 Nov 2018

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

: 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 \

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 \
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 \

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 \

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-​ \ 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 clear from alleged fault or guilt

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Dictionary Devil

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!