supplementary

adjective

ˌsə-plə-ˈmen-tə-rē How to pronounce supplementary (audio)
Definition of supplementarynext
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

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of supplementary The supplementary motor area helps organise their sequence, and the primary motor cortex sends commands to the muscles of the trunk, shoulder, arm and wrist. — Michelle Spear, Scientific American, 11 July 2026 With two satellites at supplementary inclinations, the Newtonian perturbations are equal and opposite in the two orbital planes and cancel each other out. — Jacek Krywko, ArsTechnica, 10 July 2026 The LLCs contested, arguing the alter ego finding was inapplicable and Illinois law didn't permit such piercing in supplementary proceedings. — Jay Adkisson, Forbes.com, 7 July 2026 Poetry and Original Spoken Word are considered supplementary events, Frazier said. — Evy Lewis, Chicago Tribune, 29 June 2026 See All Example Sentences for supplementary
Recent Examples of Synonyms for supplementary
  1. auxiliary
  2. complementary
  3. additional
  4. reciprocal
  5. supplemental
  6. accessory
Adjective
  • New features include more classrooms and science labs, an auxiliary gym, changing rooms, collaborative learning spaces and two gender-neutral restrooms.
    — Mike Danahey, Chicago Tribune, 20 Aug. 2026
  • Hunker Pod options include a more flexible Lagun table, Boxio dry toilet and auxiliary heater.
    — New Atlas, New Atlas, 20 Aug. 2026
Definition of auxiliary
Adjective
  • Sincerity and audacity are not opposing forces but complementary ones in this space, and for writers, retro programmers, and other film fans who came of age after midnight at the movies, Curry’s impact persists as its own kind of religion.
    — Alison Foreman, IndieWire, 26 Aug. 2026
  • The complementary setup is intended to prevent defenders from being handcuffed and improve the success rate of their outlet passes.
    — Janson Duench, New York Times, 25 Aug. 2026
Definition of complementary
Adjective
  • Because this round of expansion was primarily driven by price increases, much of the additional revenue flowed straight to the bottom line.
    — , CNBC, 28 Aug. 2026
  • Saline County will pay an additional $50,000 in attorney's fees.
    — Joseph Flaherty, Arkansas Online, 28 Aug. 2026
Definition of additional
Adjective
  • That reciprocal impact, according to Canadian officials, will purposefully target key sectors and states — like Michigan — with particular economic and political importance in the United States.
    — Grant Schwab, Chicago Tribune, 31 Aug. 2026
  • Autistic people of all genders often struggle with nuances of social communication like decoding nonverbal cues, identifying shifts in tone or asking reciprocal questions.
    — Los Angeles Times, Los Angeles Times, 26 Aug. 2026
Definition of reciprocal
Adjective
  • Always feel the soil to determine whether supplemental water is necessary.
    — Heather Zidack, Hartford Courant, 23 Aug. 2026
  • Review details about supplemental benefits, such as dental, vision and hearing care.
    — Bob Carlson, Forbes.com, 21 Aug. 2026
Definition of supplemental
Adjective
  • Each vacation rental unit can only have one agreement at a time, which is intended for properties that may have an accessory dwelling unit, Cortez said.
    — Hema Sivanandam, Mercury News, 20 Aug. 2026
  • Colorado also legalized accessory dwelling units statewide in 2024, letting homeowners build small backyard or garage apartments without needing a special hearing or approval.
    — Solomon Greene, The Conversation, 14 Aug. 2026
Definition of accessory

Browse Nearby Words

supplemental
supplementary
supplementation
See all Nearby Words

Cite this Entry

“Supplementary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supplementary. Accessed 1 Sep. 2026.

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