supplemental
adjective
sup·ple·men·tal
ˌsə-plə-ˈmen-tᵊl 
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
Instead, they were administered through the military pay system as a supplemental housing allowance, putting them in the same category as other non-taxable military compensation.
—
Kelly Phillips Erb, Forbes.com, 20 Jan. 2026
Higher fees, lack of income and strict IRS rules mean gold IRAs are typically better used as a supplemental investment rather than a core retirement holding.
—Roxanne Downer, USA Today, 20 Jan. 2026
The Joint Budget Committee will hold meetings on supplemental funding requests throughout the week.
—Nick Coltrain, Denver Post, 20 Jan. 2026
Wednesday’s changes also turn to private insurance plans to fund efforts to preserve Medicare Advantage — supplemental, private insurance that provides coverage such as vision, dental and transportation assistance that may not be covered by standard Medicare plans.
—Danielle J. Brown, Baltimore Sun, 19 Jan. 2026
See All Example Sentences for supplemental
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Kelly Phillips Erb, Forbes.com, 20 Jan. 2026
Higher fees, lack of income and strict IRS rules mean gold IRAs are typically better used as a supplemental investment rather than a core retirement holding.
—Roxanne Downer, USA Today, 20 Jan. 2026
The Joint Budget Committee will hold meetings on supplemental funding requests throughout the week.
—Nick Coltrain, Denver Post, 20 Jan. 2026
Wednesday’s changes also turn to private insurance plans to fund efforts to preserve Medicare Advantage — supplemental, private insurance that provides coverage such as vision, dental and transportation assistance that may not be covered by standard Medicare plans.
—Danielle J. Brown, Baltimore Sun, 19 Jan. 2026
See All Example Sentences for supplemental
Cite this Entry
“Supplemental.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supplemental. Accessed 21 Jan. 2026.
Copy CitationMedical Definition
supplemental
adjective
sup·ple·men·tal
ˌsəp-lə-ˈment-ᵊl
: serving to supplement : supplementary
Legal Definition
supplemental
adjective
sup·ple·men·tal
ˌsə-plə-ˈment-ᵊl
: serving to complete or make an addition
supplemental appropriations
specifically
: of, relating to, or being a supplemental pleading
supplemental
noun
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