1
as in auxiliary
available to supply something extra when needed
the new program will provide supplemental health insurance to thousands of workers
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Antonyms & Near Antonyms
2
as in supplementary
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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Example Sentences
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Recent Examples of supplemental
The document that landed Wednesday numbers 10 pages, with illustrations and cover letter — although supplemental material reached some 250 pages.
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Sarah Todd, STAT, 7 Jan. 2026
Taking high amounts of supplemental zinc daily for an extended period can lower natural immunity and levels of some other minerals.
—Jamie Johnson, Verywell Health, 6 Jan. 2026
This time, the group contended that San Diego’s supplemental analysis of the visual and neighborhood character impacts of taller buildings, prepared in advance of the 2022 ballot measure, disregarded other consequential environmental factors.
—Jennifer Van Grove, San Diego Union-Tribune, 5 Jan. 2026
Fairlead Strategies undertakes no obligation to maintain or update this material based on subsequent information and events or to provide you with any additional or supplemental information or any update to or correction of the information contained herein.
—Katie Stockton, CNBC, 5 Jan. 2026
See All Example Sentences for supplemental
Recent Examples of Synonyms for supplemental
Adjective
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The construction of the West Wing, to house the president's Oval Office and staff, and the East Wing, to house the first lady's team and other auxiliary offices, was expertly planned to not interfere with the optics of the standalone Executive Residence.—
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Then, a simple water-splitting reaction at the auxiliary electrode generates hydroxide, which combines with the lithium to produce lithium hydroxide.—
Adjective
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Local reactions and political support During a prefectural assembly session on Monday, the ruling Liberal Democratic Party proposed a supplementary budget including about 31 million yen for public relations activities related to the restart.—
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At the same time, keep your eyes open for part-time supplementary work as well as companies that may be more financially secure and able to pay a healthier wage.—
Adjective
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Finally, House Bill 1012 would require additional price transparency, particularly on goods ordered via online services.—
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This story has been updated with additional information.—
Adjective
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Also, too, that the spectacular boredom of the burbs wrought a complementary spiritual and social inertia.—
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PNDbotics positions the two platforms as complementary systems, pairing high-fidelity data acquisition with agile humanoid execution to accelerate the development of humanoid robotics.—
Adjective
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Over a decade, those bills would have created between 32,000 and 58,000 accessory dwelling units, estimated the Florida Housing Coalition, an affordable housing advocacy group.—
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The Oppermans wished to build an accessory dwelling unit on their lot, but the HOA denied the ADU on the grounds of traffic safety and fire safety.—
Adjective
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Unmanned systems — once peripheral assets — are becoming central to both offensive and defensive strategies.—
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Ideally, Middle and East Caicos would be permitted to retain their peripheral character, Parrish said.—
Cite this Entry
“Supplemental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplemental. Accessed 20 Jan. 2026.
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