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
Wright cites Nigeria's $200 million supplementary health budget and South Africa's decision to help cover gaps in AIDS and HIV treatment as two examples.
—
Ari Daniel, NPR, 19 May 2026
Pooling Resources For Disaster Resilience The service will see the carriers pool resources and specifies that the satellite services will function as supplementary components.
—David Phelan, Forbes.com, 17 May 2026
And his supplementary and third-down skills have stood out, two days into his time in Denver’s building.
—Luca Evans, Denver Post, 10 May 2026
Thissen, an associate justice, wrote a supplementary but concurring opinion objecting to certain findings in the disbarment decision, noting the court had failed to differentiate between negligent and intentional misappropriation of funds.
—Frederick Melo, Twin Cities, 30 Apr. 2026
See All Example Sentences for supplementary
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Ari Daniel, NPR, 19 May 2026
Pooling Resources For Disaster Resilience The service will see the carriers pool resources and specifies that the satellite services will function as supplementary components.
—David Phelan, Forbes.com, 17 May 2026
And his supplementary and third-down skills have stood out, two days into his time in Denver’s building.
—Luca Evans, Denver Post, 10 May 2026
Thissen, an associate justice, wrote a supplementary but concurring opinion objecting to certain findings in the disbarment decision, noting the court had failed to differentiate between negligent and intentional misappropriation of funds.
—Frederick Melo, Twin Cities, 30 Apr. 2026
See All Example Sentences for supplementary
Cite this Entry
“Supplementary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supplementary. Accessed 31 May. 2026.
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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