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
Save the data deep dives for supplementary materials or in support of audience questions that arise.
—
IEEE Spectrum, 18 Mar. 2025
More than half of side hustlers juggle multiple side hustles to create several income streams, with most using it as a secondary, supplementary source of income.
—Rachel Wells, Forbes, 17 Mar. 2025
Jokic’s 34 points were rendered meaningless without a consistent supplementary source of offense.
—Bennett Durando, The Denver Post, 13 Mar. 2025
However, many of the elements in the EU AI Act are vague and open to interpretation, with codes of practice, guidance and supplementary standards still to be finalized and brought into effect over the coming months and years.
—Hugo Farinha, Forbes.com, 27 Mar. 2025
See All Example Sentences for supplementary
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IEEE Spectrum, 18 Mar. 2025
More than half of side hustlers juggle multiple side hustles to create several income streams, with most using it as a secondary, supplementary source of income.
—Rachel Wells, Forbes, 17 Mar. 2025
Jokic’s 34 points were rendered meaningless without a consistent supplementary source of offense.
—Bennett Durando, The Denver Post, 13 Mar. 2025
However, many of the elements in the EU AI Act are vague and open to interpretation, with codes of practice, guidance and supplementary standards still to be finalized and brought into effect over the coming months and years.
—Hugo Farinha, Forbes.com, 27 Mar. 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 13 Apr. 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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