1
as in auxiliary
available to supply something extra when needed
the teacher's edition of the textbook comes with a lot of supplementary material
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in complementary
related to each other in such a way that one completes the other
regards theology and philosophy as supplementary fields of study
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of supplementary
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
Trustees also approved a supplementary retirement plan to the Public Agency Retirement Services (PARS) system.
—Julie Gallant, San Diego Union-Tribune, 1 Mar. 2026
With their top priority secured, Grisham returning to center field, Paul Goldschmidt recently re-signing for a reserve role, and some supplementary pieces retained or added, Judge ended up happy with the way the Yankees’ offseason concluded.
—Gary Phillips, New York Daily News, 16 Feb. 2026
New borrowing funded 40% of the 2025 supplementary budget, pushing the national debt to a record high.
—Jeff Kingston, Time, 15 Feb. 2026
See All Example Sentences for supplementary
Henry Skinner, STAT, 5 Mar. 2026
Trustees also approved a supplementary retirement plan to the Public Agency Retirement Services (PARS) system.
—Julie Gallant, San Diego Union-Tribune, 1 Mar. 2026
With their top priority secured, Grisham returning to center field, Paul Goldschmidt recently re-signing for a reserve role, and some supplementary pieces retained or added, Judge ended up happy with the way the Yankees’ offseason concluded.
—Gary Phillips, New York Daily News, 16 Feb. 2026
New borrowing funded 40% of the 2025 supplementary budget, pushing the national debt to a record high.
—Jeff Kingston, Time, 15 Feb. 2026
See All Example Sentences for supplementary
Recent Examples of Synonyms for supplementary
Adjective
-
During construction many indoor events will be held in the school’s auxiliary gym.—
Steve Fryer,
Oc Register,
23 Apr. 2026
-
The auxiliary chapter gave Penrod $100 plus postage to spend on the package, and a client of hers gave another $50.—
Cybele Mayes-Osterman,
USA Today,
16 Apr. 2026
Adjective
-
The pair, who were married for 18 years before their divorce over a decade ago, wore complementary outfits for their dinner date, both opting for cropped jackets and jeans while the Mask of Zorro star held his baseball cap in his hands.—
Clare Fisher,
PEOPLE,
28 Apr. 2026
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The complementary conditioner dials up the moisture with shea butter, murumuru butter, and amino acids to smooth and strengthen—leaving hair soft, bouncy, and ready for styling.—
Christa Joanna Lee,
Allure,
28 Apr. 2026
Adjective
-
Production dates, additional casting and venue will be announced soon.—
Greg Evans,
Deadline,
29 Apr. 2026
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In 2023, a federal judge ordered Georgia lawmakers to draw an additional majority-Black congressional district, two new majority-Black state Senate districts and five new majority-Black state House districts.—
Tia Mitchell,
AJC.com,
29 Apr. 2026
Adjective
-
When the queen visited in 1976, British officials discussed whether to invite Carter, then the likely Democratic nominee, to the reciprocal dinner at the British Embassy to meet her.—
Susan Page,
USA Today,
26 Apr. 2026
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Stefanishyna envisions a reciprocal partnership with Washington, in which each side can provide the other with critical assistance.—
Trudy Rubin,
Mercury News,
24 Apr. 2026
Adjective
-
Women with a family history or dense breast tissue might also qualify for screening with supplemental ultrasound.—
Adam Harrington,
CBS News,
28 Apr. 2026
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The island’s energy is provided from the mainland, with a gasoline backup generator and supplemental solar capability in place.—
Demetrius Simms,
Robb Report,
28 Apr. 2026
Adjective
-
This model also marks the return of MagSafe to the affordable lineup, enabling 15W magnetic charging and seamless accessory integration.—
Juhi Wadia,
PC Magazine,
22 Apr. 2026
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Where reform has been truly comprehensive, for example, with accessory dwelling units, the significant increase in units and permits has successfully materialized.—
Eliza Terziev,
Oc Register,
19 Apr. 2026
Cite this Entry
“Supplementary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplementary. Accessed 2 May. 2026.
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