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

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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

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 Since 1973, however, Olympic medalists and Asian Games gold medalists have been able to replace the full term with a supplementary service which consists of three weeks of basic training. — ABC News, 7 Oct. 2026 If this still feels confusing, consider watching my supplementary video. — Los Angeles Times, 25 Sep. 2026 Several supplementary online exhibitions let visitors browse some of the collection digitally. — Condé Nast, Condé Nast Traveler, 7 Sep. 2026 Pills and gel capsules Many people incorporate elderberries into their diets as supplementary pills or lozenges. — Bestreviews, Chicago Tribune, 4 Sep. 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
  • The idea is that such a highly portable system can be quickly installed on auxiliary vessels, patrol ships, and merchant marine ships.
    — New Atlas, New Atlas, 8 Nov. 2026
  • Among other efforts, the museum recently broke ground on Wonder Works, an auxiliary building where exhibits can be both created and repaired for the museum.
    — Graham Womack, Sacbee.com, 7 Nov. 2026
Definition of auxiliary
Adjective
  • The Mets are running back the second-half team with some supplementary and complementary help.
    — Abbey Mastracco, New York Daily News, 12 Nov. 2026
  • Let’s hand out some position grades for a team that is begging for complementary football ahead of a matchup against the San Francisco 49ers next week.
    — Nick Harris, Fort Worth Star-Telegram, 9 Nov. 2026
Definition of complementary
Adjective
  • The district is expecting additional bid packages related to the work at Neuqua to come to the board for approval in December, per a district memo.
    — Molly Morrow, Chicago Tribune, 13 Nov. 2026
  • Under California law, Newsom has the authority to commute the sentences of people on death row who do not have additional felony charges, which accounts for about 30% of the 548 cases under consideration.
    — Liam Russell, Sacbee.com, 13 Nov. 2026
Definition of additional
Adjective
  • Kontoor is also watching the potential impact of the reciprocal trade framework between the United States and Bangladesh.
    — Angela Velasquez, Footwear News, 5 Nov. 2026
  • In a flurry of notes, Wall Street analysts pointed to that reciprocal business relationship as a major source of upside for Broadcom, particularly if Anthropic goes public.
    — Liz Napolitano, CNBC, 27 Oct. 2026
Definition of reciprocal
Adjective
  • Noel said classrooms could be temporarily moved to cooler spaces or provided fans, and that a supplemental cooling unit had been ordered.
    — Charlotte Observer, Charlotte Observer, 13 Nov. 2026
  • Cosm’s entertainment offerings present the original film untouched in a frame that may shift around the screen, but accentuates it with supplemental, CGI content that helps flesh out environments.
    — Todd Martens, Los Angeles Times, 12 Nov. 2026
Definition of supplemental
Adjective
  • Samphire offers an accessory strap intended to ensure good contact between scalp and electrodes, even through thick or curly hair.
    — IEEE Spectrum, IEEE Spectrum, 5 Nov. 2026
  • Fashion designer Rebecca Minkoff has teamed up with model and television personality Grace Ann Nader on a three-piece capsule collection spanning the outerwear, footwear and accessory categories.
    — Jaden Thompson, Footwear News, 2 Nov. 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 14 Nov. 2026.

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