1
as in appendix
a part added at the end of a book or periodical
there's an addendum from the author to explain certain stylistic choices that she made
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2
as in increase
something added (as by growth)
with each new addendum the list of demands simply got more absurd
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Recent Examples of addendum
My favorite story in the book is about the contemporary Chicago incarnation (which gets addressed briefly, as an addendum to the traveling festival).
—
Christopher Borrelli, Chicago Tribune, 18 Mar. 2025
Thus, Smith offered an addendum to the hype for the industry finally reaching gender equality in its protagonists.
—Angelique Jackson, Variety, 11 Feb. 2025
The Savage City Council approved an addendum to the Long-Term Water Purchase Agreement between the City of Burnsville and the City of Savage on April 1.
—Alex Malm, Twin Cities, 7 Feb. 2025
Under Meta’s new policy, messages will be monitored by other users of the company’s platforms, who will be able to post addendums using Meta’s Community Notes feature.
—Mike Lillis, The Hill, 9 Jan. 2025
See All Example Sentences for addendum
Christopher Borrelli, Chicago Tribune, 18 Mar. 2025
Thus, Smith offered an addendum to the hype for the industry finally reaching gender equality in its protagonists.
—Angelique Jackson, Variety, 11 Feb. 2025
The Savage City Council approved an addendum to the Long-Term Water Purchase Agreement between the City of Burnsville and the City of Savage on April 1.
—Alex Malm, Twin Cities, 7 Feb. 2025
Under Meta’s new policy, messages will be monitored by other users of the company’s platforms, who will be able to post addendums using Meta’s Community Notes feature.
—Mike Lillis, The Hill, 9 Jan. 2025
See All Example Sentences for addendum
Recent Examples of Synonyms for addendum
Noun
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The Brazil international only had surgery to remove his appendix 13 days earlier, making a remarkable recovery and immediately getting back into action.—
Adam Digby,
Forbes.com,
10 May 2025
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Believed to be made from a sheep’s appendix, the prophylactic dates back to 1830 and is likely a souvenir from a brothel, according to a statement from the Rijksmuseum in Amsterdam on Tuesday.—
Jack Guy,
CNN Money,
3 June 2025
Noun
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Certain travel agencies have seen a decline in travel as the cost of living increases.—
Leah Olajide,
Freep.com,
27 July 2025
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But the House saw a 28% increase in business, with much of that driven by young people, Chief Commercial Officer James Ferguson said.—
Karissa Waddick,
USA Today,
26 July 2025
Noun
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In addition to the spread, total and moneyline markets, a bet on the method of victory or number of rounds will also qualify for this promo.—
Tyler Everett,
MSNBC Newsweek,
20 July 2025
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In addition to the elevated dining, first class passengers on Acela are also treated to other perks, like access to station lounges, including the Metropolitan Lounge at New York's Moynihan Train Hall, which features large glass windows, contemporary flooring, Wi-Fi, and snacks.—
Michael Cappetta,
Travel + Leisure,
20 July 2025
Noun
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The Kpop Demon Hunters soundtrack has already been slaying on the charts, and now, David Guetta is joining the project to give one of its songs an extra boost.—
Hannah Dailey,
Billboard,
25 July 2025
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These include profit boosts and early payouts at the top of the home page.—
Tyler Everett,
MSNBC Newsweek,
25 July 2025
Noun
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Football presenters Alan Shearer and Mark Chapman both benefited from salary gains of at least £60,000 because of UEFA Euro 2024.—
Jake Kanter,
Deadline,
15 July 2025
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The 2025 Emmy nominations delivered meaningful gains in representation across race, gender and identity, with a few concerning declines.—
Clayton Davis,
Variety,
15 July 2025
Cite this Entry
“Addendum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/addendum. Accessed 30 Jul. 2025.
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