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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of supplemental
Remember that lawns containing clover may not require supplemental fertilization thanks to the nitrogen-fixing properties of clover plants.
—
Kim Toscano, Southern Living, 7 Mar. 2026
In a supplemental case report, a Tipp City police officer wrote that a garage side door was open, but was blocked.
—Adam Sabes, FOXNews.com, 5 Mar. 2026
The preliminary Pentagon estimate of the war’s cost is $1 billion a day, the congressional official told us, which could lead the Pentagon to request as much as $50 billion in supplemental funding.
—Simon Shuster, The Atlantic, 5 Mar. 2026
Meanwhile, the Pentagon is preparing a supplemental budget request of roughly $50 billion to replenish weapons used in recent conflicts, including operations in the Middle East.
—Lee Ying Shan,anniek Bao,victor Loh, CNBC, 4 Mar. 2026
See All Example Sentences for supplemental
Kim Toscano, Southern Living, 7 Mar. 2026
In a supplemental case report, a Tipp City police officer wrote that a garage side door was open, but was blocked.
—Adam Sabes, FOXNews.com, 5 Mar. 2026
The preliminary Pentagon estimate of the war’s cost is $1 billion a day, the congressional official told us, which could lead the Pentagon to request as much as $50 billion in supplemental funding.
—Simon Shuster, The Atlantic, 5 Mar. 2026
Meanwhile, the Pentagon is preparing a supplemental budget request of roughly $50 billion to replenish weapons used in recent conflicts, including operations in the Middle East.
—Lee Ying Shan,anniek Bao,victor Loh, CNBC, 4 Mar. 2026
See All Example Sentences for supplemental
Recent Examples of Synonyms for supplemental
Adjective
-
However, Doel did have to install a separate DC-DC converter to power auxiliary functions like the headlights and windshield wipers.—
Mack DeGeurin,
Popular Science,
11 Mar. 2026
-
The only thing Doel needed to install was a DC-DC converter to output 12 volts to power the headlights, wipers, horn and other auxiliary systems.—
Ryan Brennan
March 6,
Kansas City Star,
6 Mar. 2026
Adjective
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The other molecules — hundreds of them — have been shelved, untested and relegated for now to the supplementary data sections of journal articles.—
Henry Skinner,
STAT,
5 Mar. 2026
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Trustees also approved a supplementary retirement plan to the Public Agency Retirement Services (PARS) system.—
Julie Gallant,
San Diego Union-Tribune,
1 Mar. 2026
Adjective
-
Emails seeking additional information were not immediately answered.—
Arkansas Online,
Arkansas Online,
12 Mar. 2026
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The Cowboys now have additional draft capital to potentially bring in another defensive tackle to rotate in with starters Williams and Clark, but adding another hole in the depth of a defense already looking to stop water from getting in the boat could end up being a risky move.—
Nick Harris,
Fort Worth Star-Telegram,
12 Mar. 2026
Adjective
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There is now growing bipartisan recognition that the US will need two complementary engines of nuclear growth.—
John Kerry,
semafor.com,
10 Mar. 2026
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Rather than replacing district funding, the organization functions as a complementary support system designed to help teachers access classroom materials without relying on personal spending.—
Matthew Kayser,
USA Today,
9 Mar. 2026
Adjective
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In particular, the city had been something of a trailblazer in encouraging more backyard apartments, officially known as accessory dwelling units, though the policy has become increasingly controversial.—
Michael Smolens,
San Diego Union-Tribune,
8 Mar. 2026
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The development is expected to include 44 two- to four-bedroom units, with 22 of the homes also featuring additional two-bedroom accessory dwelling units on site.—
Nicole Buss,
Sacbee.com,
7 Mar. 2026
Adjective
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The change added a room where prisoners are to be examined and prepped for either a standard peripheral IV, or a central line — a more invasive procedure that inserts into the internal jugular in the neck, a femoral vein in the upper thigh or a subclavian vein in the chest.—
Kevin Fixler,
Idaho Statesman,
11 Mar. 2026
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The peripheral ones may be better.—
Shawn McFarland,
Dallas Morning News,
9 Mar. 2026
Cite this Entry
“Supplemental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplemental. Accessed 17 Mar. 2026.
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