1
as in auxiliary
available to supply something extra when needed
the new program will provide supplemental health insurance to thousands of workers
Synonyms & Similar Words
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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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of supplemental
Both Andrews and Gelu Sherpa used supplemental oxygen during their record-setting ascents.
—
Angelique Brenes, PEOPLE, 3 June 2026
These hardy native plants can become leggy or overly foliage-heavy when given too much supplemental fertilizer, especially nitrogen-rich fertilizer.
—Cori Sears, The Spruce, 2 June 2026
Heat pumps often require careful sizing, potential electrical upgrades, and, in some cases, ductwork modifications or supplemental systems for extreme temperatures.
—Alora Bopray, USA Today, 2 June 2026
Only players who were on the team’s 55-man supplemental roster are eligible to be called in.
—Paul Tenorio, New York Times, 1 June 2026
See All Example Sentences for supplemental
Angelique Brenes, PEOPLE, 3 June 2026
These hardy native plants can become leggy or overly foliage-heavy when given too much supplemental fertilizer, especially nitrogen-rich fertilizer.
—Cori Sears, The Spruce, 2 June 2026
Heat pumps often require careful sizing, potential electrical upgrades, and, in some cases, ductwork modifications or supplemental systems for extreme temperatures.
—Alora Bopray, USA Today, 2 June 2026
Only players who were on the team’s 55-man supplemental roster are eligible to be called in.
—Paul Tenorio, New York Times, 1 June 2026
See All Example Sentences for supplemental
Recent Examples of Synonyms for supplemental
Adjective
-
Similarly, the 37-in tire upgrade, auxiliary off-road lighting, and cab trim upgrades are all optional.—
New Atlas,
New Atlas,
4 June 2026
-
From flight management systems in the cockpit to engine controls under the wing to the auxiliary power unit in the tail, its technology and components are in thousands of planes.—
Phil LeBeau,Meghan Reeder,
CNBC,
3 June 2026
Adjective
-
Prices from around $980 per guest/night, including accommodation, and the women’s health pack, which is a supplementary cost, can be added to 7-, 10- or 14-night stays—for seven nights, the pack would cost around $1,500 on top of the $5,000 Rebalance & Energize program, for instance.—
Rachel Ingram,
Robb Report,
7 June 2026
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This two-day rail journey ferries travelers through some of Western Canada’s most scenic pockets, with stops in Banff, Kamloops, and Jasper, and is a supplementary offering for the influx of travelers expected to visit Vancouver during the FIFA World Cup in June and July.—
Jessica Puckett,
Condé Nast Traveler,
1 June 2026
Adjective
-
The document also noted additional concerns.—
Ivan Taylor,
CBS News,
11 June 2026
-
Forecasters believe an additional 2 inches of rain could fall.—
Caroline Zimmerman,
Kansas City Star,
11 June 2026
Adjective
-
With 17 points in 19 minutes, Anunoby has gone from his usual role of a complementary player to a vital scorer in Game 3.—
Andrew Greif,
NBC news,
9 June 2026
-
If the tile goes mid-way up the wall, the designer recommends choosing a paint color that enhances the tile’s color, either a similar hue or a complementary tone.—
Maria Sabella,
Better Homes & Gardens,
9 June 2026
Adjective
-
Gillian Lang has been an Airbnb host for about a year in Providence, renting out an accessory dwelling unit that features a living/dining area with a bathroom/bedroom, and its own entry.—
Lance Reynolds,
Boston Herald,
8 June 2026
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Fass landed her first job in the magazine’s accessory department in 2015.—
Madeline Fass,
Vogue,
1 June 2026
Adjective
-
Plenty of peripheral details also informed their research, including various forms of etiquette.—
Barry Levitt,
Time,
29 May 2026
-
Recognition of a partner’s inner qualities, in other words, was not a peripheral feature of relationship quality.—
Mark Travers,
Forbes.com,
24 May 2026
Cite this Entry
“Supplemental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplemental. Accessed 12 Jun. 2026.
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