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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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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Recent Examples of addendum
Republicans framed the bathroom and driver’s license bill as an addendum clarifying the intent of a separate 2023 bill barring trans women from accessing female-only spaces.
—
Matthew Kelly, Kansas City Star, 13 Feb. 2026
The lease addendums are a mandatory part of rental agreements across Arizona and the nation.
—AZCentral.com, 4 Feb. 2026
The show is light on tech, but the accompanying images (video design by Stefano DeCarli) pour through as addendums to Felder’s puissant passion of Liszt’s Liebesträume or Beethoven’s Für Elise and land with great effect.
—David John Chávez, Mercury News, 30 Jan. 2026
Hurts waited a beat before offering an interesting addendum.
—Zach Berman, New York Times, 13 Jan. 2026
See All Example Sentences for addendum
Matthew Kelly, Kansas City Star, 13 Feb. 2026
The lease addendums are a mandatory part of rental agreements across Arizona and the nation.
—AZCentral.com, 4 Feb. 2026
The show is light on tech, but the accompanying images (video design by Stefano DeCarli) pour through as addendums to Felder’s puissant passion of Liszt’s Liebesträume or Beethoven’s Für Elise and land with great effect.
—David John Chávez, Mercury News, 30 Jan. 2026
Hurts waited a beat before offering an interesting addendum.
—Zach Berman, New York Times, 13 Jan. 2026
See All Example Sentences for addendum
Recent Examples of Synonyms for addendum
Noun
-
Gore died last month following complications after emergency surgery to have his appendix removed.—
Pete Grathoff,
Kansas City Star,
30 Mar. 2026
-
Swalwell was among those named by Patel, who has said that his critics are mischaracterizing the appendix by calling it an enemies list.—
Perry Stein The Washington Post,
Arkansas Online,
29 Mar. 2026
Noun
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At least three men were taken into custody by federal agents outside a San Bernardino County Superior Court on Thursday in what advocates are calling an alarming increase of immigration enforcement actions outside courthouses in the region.—
Hannah Fry,
Los Angeles Times,
10 Apr. 2026
-
Lawmakers agreed to lower, but not eliminate, the income tax rate while limiting increases on property tax assessments.—
Adam Beam,
AJC.com,
10 Apr. 2026
Noun
-
With the addition of Santa Rosa, the airline now operates at 14 airports across California.—
Kenny Choi,
CBS News,
8 Apr. 2026
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In addition, Ken is an Emmy-award winning broadcaster for Fox Sports’ MLB telecasts.—
Ken Rosenthal,
New York Times,
8 Apr. 2026
Noun
-
The upside in the Neo isn't really about a near-term boost in device sales.—
Morgan Chittum,
CNBC,
10 Apr. 2026
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Agosto said Rodriguez started to drink Alani Nu because of posts on social media that advertised it with wellness and health benefits, as well as an energy boost.—
Marlene Lenthang,
NBC news,
10 Apr. 2026
Noun
-
The fastball command that Niebla described as his superpower has accompanied the gains in velocity.—
Tom Krasovic,
San Diego Union-Tribune,
5 Apr. 2026
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Statewide, some of the largest job gains during January occurred in the population-heavy urban centers of Southern California.—
George Avalos,
Mercury News,
4 Apr. 2026
Cite this Entry
“Addendum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/addendum. Accessed 11 Apr. 2026.
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