Thesaurus
Synonyms & Antonyms of supplemental
1
available to supply something extra when needed
- the new program will provide supplemental health insurance to thousands of workers
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Antonyms for supplemental
2
related to each other in such a way that one completes the other
- an astronomer who regards science and religion not as antithetical but as supplemental belief systems
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Cite this Entry
“Supplemental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplemental. Accessed 16 Sep. 2021.
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The first known use of supplemental was in 1605
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