supplemental

adjective

ˌsə-plə-ˈmen-tᵊl How to pronounce supplemental (audio)
Definition of supplementalnext
1
as in auxiliary
available to supply something extra when needed the new program will provide supplemental health insurance to thousands of workers

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Antonyms & Near Antonyms
2
as in supplementary
related to each other in such a way that one completes the other an astronomer who regards science and religion not as antithetical but as supplemental belief systems

Synonyms & Similar Words

Antonyms & Near Antonyms

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 supplemental Learn about the Medicare supplemental plans available to you here. — Matt Richardson, CBS News, 6 Aug. 2026 In June, the White House asked Congress to approve more than $80 billion in emergency supplemental funding for military operations, Ebola response efforts, agricultural assistance and Florida storm recovery. — Naomi Taxay, Sacbee.com, 5 Aug. 2026 Crepe myrtles need about an inch of water per week and supplemental water is especially important during periods of intense drought. — Lauren Landers, The Spruce, 4 Aug. 2026 The governor's office said California has submitted multiple supplemental funding requests to the federal government since February 2025, but none have been approved. — Noe Padilla, USA Today, 4 Aug. 2026 See All Example Sentences for supplemental
Recent Examples of Synonyms for supplemental
  1. auxiliary
  2. supplementary
  3. additional
  4. complementary
  5. accessory
  6. peripheral
Adjective
  • Bonta’s office drew down an auxiliary state fund appropriated for such actions by more than $19 million during the 2025-26 fiscal year, the attorney general said in a report to the Legislature also released Tuesday.
    — Sharon Bernstein, Sacbee.com, 4 Aug. 2026
  • Other smaller ethnic auxiliary groups support the government.
    — ABC News, ABC News, 31 July 2026
Definition of auxiliary
Adjective
  • In 2024, Purja became the fastest person to summit all 14 of the peaks without supplementary oxygen.
    — Lex Harvey, CNN Money, 31 July 2026
  • Coverage is provided by Employees’ Health Insurance and National Health Insurance schemes; private insurance only plays a supplementary role.
    — Runchana Pongsaparn, Fortune, 31 July 2026
Definition of supplementary
Adjective
  • Aircraft owners use charter revenues to offset some of their operating costs, though the extra flights bring additional expenses for maintenance, pilots, and wear-and-tear.
    — Doug Gollan, Forbes.com, 7 Aug. 2026
  • Operators can scale fueling capacity as additional vehicles enter service without making significant upfront infrastructure investments.
    — Aamir Khollam, Interesting Engineering, 7 Aug. 2026
Definition of additional
Adjective
  • Unlike traditional diplomacy, conducted by states and official representatives, civil humanitarian diplomacy can create complementary spaces for dialogue and cooperation through civil society and other non-state actors.
    — Ricardo Bellino, Forbes.com, 4 Aug. 2026
  • Then Pearsall began last season as the team’s top receiver with Aiyuk on the shelf and Jauan Jennings still serving a complementary role.
    — Chris Biderman, Sacbee.com, 4 Aug. 2026
Definition of complementary
Adjective
  • The Department of Housing and Urban Development (HUD) will publish zoning models — covering everything from parking to accessory dwelling units to triplexes — for cities to adopt, though they’re not required to.
    — Max Klaver, Miami Herald, 6 Aug. 2026
  • Five of the homes would be two-story houses, while the home closest to West 32nd Avenue would include an attached or detached accessory dwelling unit.
    — Jessica Alvarado Gamez, Denver Post, 5 Aug. 2026
Definition of accessory
Adjective
  • Even in the third-person narration of Call of the Wild the dramatis personae of eccentric, infighting dogs overshadows the flat and peripheral human characters until Thornton appears.
    — Literary Hub, Literary Hub, 5 Aug. 2026
  • Born from a collaboration between OpenAI and Work Louder, a peripheral maker best known for making retrofuturistic mechanical keyboards, the Codex Micro is a curious device.
    — Brian Westover, PC Magazine, 3 Aug. 2026
Definition of peripheral

Browse Nearby Words

supplement
supplemental
supplementary
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Cite this Entry

“Supplemental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplemental. Accessed 11 Aug. 2026.

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