supplemental

adjective

sup·​ple·​men·​tal ˌsə-plə-ˈmen-tᵊl How to pronounce supplemental (audio)
Synonyms of supplementalnext
1
: serving to supplement
2
: nonscheduled
a supplemental airline
supplemental noun

Examples of supplemental in a Sentence

She receives a supplemental income every month from the government. the new program will provide supplemental health insurance to thousands of workers
Recent Examples on the Web
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.
Patients typically pay a portion of the cost upfront and are later reimbursed by the state, with any remaining balance covered out of pocket or through private supplemental insurance known as a mutuelle. Taryn White, Travel + Leisure, 14 May 2026 The bipartisan agreement, which leaders announced in a news release, is simply a one-sheet document that includes top-line numbers for supplemental spending for this current two-year budget cycle. Caroline Cummings, CBS News, 14 May 2026 There is no specific treatment for hantavirus infections and patients usually receive supportive care like supplemental oxygen for respiratory issues and dialysis in the case of kidney failure. Mary Whitfill Roeloffs, Forbes.com, 14 May 2026 That figure may also not include supplemental financing for the war. Miranda Jeyaretnam, Time, 13 May 2026 See All Example Sentences for supplemental

Word History

First Known Use

1605, in the meaning defined at sense 1

Time Traveler
The first known use of supplemental was in 1605

Browse Nearby Words

Cite this Entry

“Supplemental.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supplemental. Accessed 21 May. 2026.

Medical Definition

supplemental

adjective
sup·​ple·​men·​tal ˌsəp-lə-ˈment-ᵊl How to pronounce supplemental (audio)
: serving to supplement : supplementary

Legal Definition

supplemental

adjective
sup·​ple·​men·​tal ˌsə-plə-ˈment-ᵊl How to pronounce supplemental (audio)
: serving to complete or make an addition
supplemental appropriations
specifically : of, relating to, or being a supplemental pleading
supplemental noun
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