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
Relevance
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of supplementary
So Sacco depicts both variations, while drawing out their disjunctions through commentary and supplementary reporting.
—
Robert Rubsam, The Atlantic, 18 Dec. 2025
The researchers also completed two supplementary analyses to account for variables like students who lived in different communities – either with or without fluoride.
—New Atlas, 30 Nov. 2025
Takaichi's government must compile a supplementary budget and gain approval by the parliament by the end of this year to fund the package.
—Arkansas Online, 22 Nov. 2025
If Giolito declines, the Red Sox would receive a pick that would come in a supplementary round between the fourth and fifth in next year's draft.
—Jon Vankin, MSNBC Newsweek, 31 Oct. 2025
See All Example Sentences for supplementary
Robert Rubsam, The Atlantic, 18 Dec. 2025
The researchers also completed two supplementary analyses to account for variables like students who lived in different communities – either with or without fluoride.
—New Atlas, 30 Nov. 2025
Takaichi's government must compile a supplementary budget and gain approval by the parliament by the end of this year to fund the package.
—Arkansas Online, 22 Nov. 2025
If Giolito declines, the Red Sox would receive a pick that would come in a supplementary round between the fourth and fifth in next year's draft.
—Jon Vankin, MSNBC Newsweek, 31 Oct. 2025
See All Example Sentences for supplementary
Recent Examples of Synonyms for supplementary
Adjective
-
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.—
Kyler Alvord,
PEOPLE,
9 Jan. 2026
-
Then, a simple water-splitting reaction at the auxiliary electrode generates hydroxide, which combines with the lithium to produce lithium hydroxide.—
New Atlas,
New Atlas,
31 Dec. 2025
Adjective
-
In portfolios, gold typically serves as the anchor while silver plays a complementary role that can amplify returns during rallies.—
Sharon Wu,
USA Today,
27 Jan. 2026
-
For fall, Deke is expanding beyond shorts into pants that will offer the same construction and materials, along with an assortment of complementary tops.—
Jean E. Palmieri,
Footwear News,
27 Jan. 2026
Adjective
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One additional point is that conversion rates also rose when customers interacted with the new flow.—
Chris Lipp,
Forbes.com,
29 Jan. 2026
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Instead, on a variety of cosmic scales, from the insides of individual galaxies to groups and clusters of galaxies all the way up to the largest filamentary structures of all, an additional source of gravity is required.—
Big Think,
Big Think,
29 Jan. 2026
Adjective
-
Nothing wrong with a little fantasy, but this year’s astrology asks us to stop romanticizing potential and start paying attention to what feels genuine, reciprocal and enduring.—
Valerie Mesa,
PEOPLE,
7 Jan. 2026
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But no one was prepared for the kind of reciprocal tariffs that were announced on April 2.—
Vicki M. Young,
Footwear News,
29 Dec. 2025
Adjective
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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,
26 Jan. 2026
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Residents are then able to produce supplemental power to reduce their energy bills and carbon footprint without the need for complex installations, structural modifications or utility interconnection agreements.—
Calvin Ball,
Baltimore Sun,
23 Jan. 2026
Adjective
-
This small-sized and mobile home aligns with the demand for accessory dwelling units, or ADUs, spiking in many areas across the country as a more affordable solution.—
Jennifer Castenson,
Forbes.com,
26 Jan. 2026
-
The acre of land across the street from her home on Piper Lane doesn't seem like something that could support three houses and six accessory dwelling units, but that's what the plan was when a developer bought the property last year.—
John Ramos,
CBS News,
20 Jan. 2026
Cite this Entry
“Supplementary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplementary. Accessed 1 Feb. 2026.
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