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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As a result, the mid-nineteenth century witnessed a dramatic increase in the creation of posts, including among tribes that had not typically made them before.—
Glenn Adamson,
Artforum,
2 May 2026
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The longer the increases persist, the greater the risk that higher gas prices will translate into higher costs for other goods that rely on fuel for transportation.—
Michael Loria,
USA Today,
2 May 2026
Noun
-
In addition to racking up points with your favorite hotel brands or airlines, Orbitz offers exclusive members-only prices that save you money on current and future reservations.—
Paris Wilson,
Condé Nast Traveler,
28 Apr. 2026
-
In addition, the complex would have 79 one-family homes for sale.—
Don Stacom,
Hartford Courant,
28 Apr. 2026
Noun
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Lumentum , up a staggering 158% this year, could also get a post-earnings boost.—
Lisa Kailai Han,
CNBC,
2 May 2026
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Even more favorable financing terms with suppliers, or not having to pay to license foreign intellectual property, gives them a real boost, according to analysts.—
Jonathan M. Gitlin,
ArsTechnica,
1 May 2026
Noun
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Their action engendered a response from Democrats and a decision by California voters that canceled out the potential gains of Republicans in Texas by conducting a partisan gerrymander of their own.—
Colin Pascal,
Baltimore Sun,
25 Apr. 2026
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The rights group warns that the move violates freedom of association and represents a direct assault on Tunisia’s democratic gains, vowing to challenge the decision in court.—
Ghaya ben Mbarek,
Los Angeles Times,
25 Apr. 2026
Cite this Entry
“Addendum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/addendum. Accessed 2 May. 2026.
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