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
Synonyms & Similar Words
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Antonyms & Near Antonyms
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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of addendum
An addendum to team agreements outlines 14 highly specific marketing requirements—far more prescriptive than the general promotional language typically found in college sports event contracts.
—
Daniel Libit, Sportico.com, 20 Mar. 2026
Kharlamova, who plays Svetlana, expressed a similar sentiment in an addendum on her Instagram Story.
—Jennifer Zhan, Vulture, 10 Mar. 2026
The devices had previously covered additional areas, including parts of Old Louisville, Smoketown, Newburg, Jacobs and Taylor Berry according to a map attached to a contract addendum signed by LMPD Chief Paul Humphrey last year.
—Josh Wood, Louisville Courier Journal, 2 Mar. 2026
Lawyers at the Office of Policy and Strategy were frequently told to remove their findings from the main text of agency documents and include them as an addendum.
—Jonathan Blitzer, New Yorker, 17 Feb. 2026
See All Example Sentences for addendum
Daniel Libit, Sportico.com, 20 Mar. 2026
Kharlamova, who plays Svetlana, expressed a similar sentiment in an addendum on her Instagram Story.
—Jennifer Zhan, Vulture, 10 Mar. 2026
The devices had previously covered additional areas, including parts of Old Louisville, Smoketown, Newburg, Jacobs and Taylor Berry according to a map attached to a contract addendum signed by LMPD Chief Paul Humphrey last year.
—Josh Wood, Louisville Courier Journal, 2 Mar. 2026
Lawyers at the Office of Policy and Strategy were frequently told to remove their findings from the main text of agency documents and include them as an addendum.
—Jonathan Blitzer, New Yorker, 17 Feb. 2026
See All Example Sentences for addendum
Recent Examples of Synonyms for addendum
Noun
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Villa have had a great season but if Unai Emery was their brain and John McGinn was their heart, Elliott was their appendix.—
Tim Spiers,
New York Times,
26 May 2026
-
Readers will find his email address in the book’s appendix, and Smat encourages people to share their story with him.—
Brayden Garcia
May 11,
Fort Worth Star-Telegram,
11 May 2026
Noun
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The likelihood of lightning increases as a thunderstorm gets closer and reaches its highest point when the storm is directly overhead.—
NC Weather Bot,
Charlotte Observer,
13 June 2026
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When models frequently access fragmented systems, latency increases and user experience suffers.—
Expert Panel®,
Forbes.com,
12 June 2026
Noun
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The addition gives Golden State another body in the frontcourt along with starting center Kiah Stokes and backup Laeticia Amihere.—
Nathan Canilao,
Mercury News,
10 June 2026
-
The trade netted the White Sox catcher Kyle Teel, right-hander Wikelman Gonzalez and infielder Chase Meidroth, in addition to Montgomery.—
Johnny Flores Jr,
New York Times,
10 June 2026
Noun
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And with SoFi Stadium in Inglewood hosting World Cup matches just 13 miles away, business owners are hoping the economic boost lasts long after the final whistle.—
Jasmine Viel,
CBS News,
12 June 2026
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SpaceX made its record-breaking stock market debut today, opening trading at $150, getting a boost after pricing its shares at $135.—
Tom Chivers,
semafor.com,
12 June 2026
Noun
-
Electra’s analysis found that the configuration could deliver up to a 17 percent efficiency improvement beyond gains expected by 2050 from advanced structures, engine technologies, and aerodynamic improvements.—
Prabhat Ranjan Mishra,
Interesting Engineering,
13 June 2026
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Your 10th House of Career gains shine as beauty-loving Venus arrives, supporting confident polish and the power of understated presence.—
Tarot.com,
The Orlando Sentinel,
13 June 2026
Cite this Entry
“Addendum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/addendum. Accessed 15 Jun. 2026.
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