SUPPLEMENT Synonyms: 102 Similar and Opposite Words

supplement 1 of 2

noun

ˈsə-plə-mənt

Definition of supplement

as in increase

something added (as by growth) this new rule restricting e-mail to job-related activity is only a supplement to the preexisting policy regarding personal use of company resources

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in complement

something that serves to complete or make up for a deficiency in something else recommends taking a vitamin C supplement to prevent colds

Synonyms & Similar Words

as in appendix

a part added at the end of a book or periodical a supplement containing biographical articles on women who had died since the publication of the original three-volume encyclopedia

Synonyms & Similar Words

Antonyms & Near Antonyms

supplement

2 of 2

verb

as in to complement

Related Words

Dissimilar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of supplement

Noun

The routine has expanded from supplements and white noise to bed cooling systems, cooling mattress pads and static-cling window films. — Ryan Brennan, Fort Worth Star-Telegram, 2 Sep. 2026 California consumers were warned about a string of August food, supplement and pet product recalls tied to possible salmonella, listeria and foreign material contamination. — Sacbee.com, 2 Sep. 2026

Verb

Risks and Considerations Multivitamins cannot fulfill your nutritional needs; they are only meant to supplement a balanced diet. — Chelsea Rae Bourgeois, HEALTH, 24 Aug. 2026 In turn, those ships can then prepare their weapons, supplement the track with their own sensors or potentially conduct the engagement. — Christopher McFadden, Interesting Engineering, 23 Aug. 2026 See All Example Sentences for supplement

Recent Examples of Synonyms for supplement

Noun

Driving the increase in murder charges in fatal crashes are a few factors, Cherney and McClain agree.

— Amanda Lee Myers, USA Today, 4 Sep. 2026
Over the past three months, international futures markets saw cocoa rise by more than 60% cumulatively, coffee gain over 30%, and raw sugar futures increase by nearly 30%.

— , CNBC, 3 Sep. 2026

Definition of increase

Noun

The soft gray-white rattan complements the tailored beige high-density comfort cushions and creates an airy backdrop for your ever-evolving collection of seasonal all-weather pillows and throws.

— Maria Conti, Better Homes & Gardens, 1 Sep. 2026
That number may determine whether Andy Reid retains a full complement of running backs and tight ends.

— Sam McDowell, Kansas City Star, 27 Aug. 2026

Definition of complement

Noun

The bike also has a programmable control system that can provide functions such as boost, wheel-lift assistance, speed limiting and what Bonnell calls E-Clutch functionality (more on that later).

— New Atlas, New Atlas, 2 Sep. 2026
Wichai Yuankham, 35, a factory worker who came to watch the ships arrive, said the naval visit was a welcome boost to the local economy.

— Mosheh Gains, NBC news, 2 Sep. 2026

Definition of boost

Noun

While their new addition has been an adjustment for their twins, the proud parents share that their twins simply adore their baby brother.

— Kayla Grant, PEOPLE, 2 Sep. 2026
Recreation and Parks General Manager Jimmy Kim told residents that installation of an approximately 8-foot fence was expected to begin this fall, followed by artistic and decorative additions through next spring.

— Hanna Kang, Los Angeles Times, 2 Sep. 2026

Definition of addition

Noun

This symbolic gesture is a desperate attempt to spark a turnaround for the slugger, whose power outage follows a recent $500 million extension.

— Peter Chawaga, Forbes.com, 30 Aug. 2026
Perepadya expressed fear that the automatic extension of Ukraine’s TPS designation will be the country’s last, forcing his family to return home.

— Alula Alderson, Sacbee.com, 30 Aug. 2026

Definition of extension

Browse Nearby Words

supple

supplement

supplemental

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Cite this Entry

Style

“Supplement.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplement. Accessed 4 Sep. 2026.

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Synonyms of supplement

noun

verb

Example Sentences

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