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
-
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
-
The system is reliable since the spins of the sensor qubit and its auxiliary qubit are entangled.—
Ameya Paleja,
Interesting Engineering,
15 Apr. 2026
Adjective
-
In perhaps one of their most public twinning moments, the mom and daughter don yellow coats and complementary hats at Epsom Downs Racecourse.—
Kate Hogan,
PEOPLE,
21 Apr. 2026
-
Green Bay must add some complementary edge rushers who can benefit from the attention offenses give Parsons.—
Steve Megargee,
Chicago Tribune,
20 Apr. 2026
Adjective
-
That means Gotham can tap into an additional $1 million in funds above the salary cap to pay her when the rule comes into effect on July 1.—
Melanie Anzidei,
New York Times,
23 Apr. 2026
-
And there is talk about subsequent budget reconciliation bills before the end of this Congress, which could provide additional opportunities for Republicans to pursue tax and spending priorities that otherwise are unlikely to garner Democratic support.—
Justin Papp,
CNBC,
22 Apr. 2026
Adjective
-
Iran's Foreign Ministry spokesperson, Esmail Baghaei, told Iranian state outlet Mehr that if the naval blockade continues, Iran will take reciprocal action.—
NPR Staff,
NPR,
17 Apr. 2026
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What are my reciprocal obligations to them?—
Judith Martin,
Mercury News,
16 Apr. 2026
Adjective
-
The requirement to print ballots one month before Election Day does not present an insurmountable obstacle to removing candidates; modern technology could facilitate supplemental ballots even within government bureaucracies, making the current restriction outdated.—
Los Angeles Times,
Los Angeles Times,
20 Apr. 2026
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As recently as September, a bill to approve Iron Dome supplemental funding passed in the House with only nine dissenting votes.—
Andrew Lapin,
Sun Sentinel,
20 Apr. 2026
Adjective
-
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
-
The measures push accessory dwelling units, the packing of more residential units around transit stops and a reduction in the square footage that must be devoted to parking.—
John Aguilar,
Denver Post,
19 Apr. 2026
Cite this Entry
“Supplementary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplementary. Accessed 23 Apr. 2026.
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