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
The payout could actually climb even higher in 2029, league insiders say, and in the meantime, the WNBA expects to sell additional game inventory in supplementary broadcast agreements.
—
Brett Knight, Forbes.com, 6 June 2025
And this past week, The Financial Times reported that regulators were preparing to announce within months a reduction in the supplementary leverage ratio, a backstop safety measure adopted in 2014.
—Peter Coy, New York Times, 17 May 2025
But in an fMRI machine, her brain looked surprisingly active: When she was asked to imagine playing tennis, blood flowed to her brain’s supplementary motor area, a region that helps coordinate movement.
—Sarah Zhang, The Atlantic, 16 May 2025
Bennett was not fined or given supplementary discipline for the altercation.
—Jordan McPherson, Miami Herald, 13 May 2025
See All Example Sentences for supplementary
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Brett Knight, Forbes.com, 6 June 2025
And this past week, The Financial Times reported that regulators were preparing to announce within months a reduction in the supplementary leverage ratio, a backstop safety measure adopted in 2014.
—Peter Coy, New York Times, 17 May 2025
But in an fMRI machine, her brain looked surprisingly active: When she was asked to imagine playing tennis, blood flowed to her brain’s supplementary motor area, a region that helps coordinate movement.
—Sarah Zhang, The Atlantic, 16 May 2025
Bennett was not fined or given supplementary discipline for the altercation.
—Jordan McPherson, Miami Herald, 13 May 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 14 Jun. 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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