supplementary
adjective
sup·ple·men·ta·ry
ˌsə-plə-ˈmen-tə-rē 
-ˈmen-trē
1
: added or serving as a supplement : additional
supplementary reading
2
: being or relating to a supplement (see supplement entry 1 sense 3) or a supplementary angle
Examples of supplementary in a Sentence
a list of supplementary material for the class
the teacher's edition of the textbook comes with a lot of supplementary material
Recent Examples on the Web
Third, the letter writer and her family might want to consider engaging a geriatric care manager who could help them to identify supplementary services and connections in the local community that could go at least some way to alleviating her isolation.
—
R. Eric Thomas, Mercury News, 10 Sep. 2025
Third, something the letter writer and her family might want to consider engaging a geriatric care manager who could help them to identify supplementary services and connections in the local community that could go at least some way to alleviating her isolation.
—R. Eric Thomas, Denver Post, 10 Sep. 2025
However, the show did branch out last season while filming in Thailand, with two Anantara properties and one Rosewood hotel being used as supplementary shooting locations to the main Four Seasons Koh Samui.
—Natalia Senanayake, PEOPLE, 5 Sep. 2025
This makes for great supplementary income as a side hustle while working full-time, or in between jobs.
—Rachel Wells, Forbes.com, 14 Aug. 2025
See All Example Sentences for supplementary
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R. Eric Thomas, Mercury News, 10 Sep. 2025
Third, something the letter writer and her family might want to consider engaging a geriatric care manager who could help them to identify supplementary services and connections in the local community that could go at least some way to alleviating her isolation.
—R. Eric Thomas, Denver Post, 10 Sep. 2025
However, the show did branch out last season while filming in Thailand, with two Anantara properties and one Rosewood hotel being used as supplementary shooting locations to the main Four Seasons Koh Samui.
—Natalia Senanayake, PEOPLE, 5 Sep. 2025
This makes for great supplementary income as a side hustle while working full-time, or in between jobs.
—Rachel Wells, Forbes.com, 14 Aug. 2025
See All Example Sentences for supplementary
Cite this Entry
“Supplementary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supplementary. Accessed 29 Sep. 2025.
Copy CitationKids Definition
supplementary
adjective
sup·ple·men·ta·ry
ˌsəp-lə-ˈment-ə-rē
-ˈmen-trē
1
: added as a supplement : additional
2
: being or relating to a supplement or a supplementary angle
Medical Definition
supplementary
adjective
sup·ple·men·ta·ry
ˌsəp-lə-ˈment-ə-rē, -ˈmen-trē
: added or serving as a supplement
supplementary vitamins
Legal Definition
supplementary
adjective
sup·ple·men·ta·ry
ˌsə-plə-ˈmen-tə-rē, -trē
: added or serving as a supplement
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