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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Example Sentences
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Recent Examples of addendum
The employees were either terminated by the station or walked out on their own accord after declining to sign a strict noncompete addendum on their contracts.
—
Heather Bushman, IndyStar, 28 Oct. 2025
Before signing a lease agreement or any lease addendums, take time to carefully read through the terms.
—Tamia Fowlkes, jsonline.com, 20 Oct. 2025
In addition to the financial details, the documents also included an addendum that would prohibit Lively and the film's producers from pursuing matters related to the film in open court.
—Madison E. Goldberg, PEOPLE, 11 Oct. 2025
State regulators said the city didn’t seek their feedback or make the EIR addendum available for public review.
—Claire Wang, Oc Register, 10 Sep. 2025
See All Example Sentences for addendum
Heather Bushman, IndyStar, 28 Oct. 2025
Before signing a lease agreement or any lease addendums, take time to carefully read through the terms.
—Tamia Fowlkes, jsonline.com, 20 Oct. 2025
In addition to the financial details, the documents also included an addendum that would prohibit Lively and the film's producers from pursuing matters related to the film in open court.
—Madison E. Goldberg, PEOPLE, 11 Oct. 2025
State regulators said the city didn’t seek their feedback or make the EIR addendum available for public review.
—Claire Wang, Oc Register, 10 Sep. 2025
See All Example Sentences for addendum
Recent Examples of Synonyms for addendum
Noun
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Treatment for the condition generally involves antibiotics and surgical removal of the appendix, per Mayo Clinic.—
Rachel Raposas,
PEOPLE,
8 Jan. 2026
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According to the accompanying appendix, which outlined the accusations and was under seal until Tuesday, Remington penned the bulk of Hyland’s opinion denying the defense’s dismissal motion, constituting a clear breach of Wisconsin’s judicial code of conduct.—
Mia Cathell,
The Washington Examiner,
11 Dec. 2025
Noun
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When air temperature increases in the summer, a spider plant’s soil can dry out faster.—
Leanne Potts,
Better Homes & Gardens,
13 Jan. 2026
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The weather is a major factor leading to price increases for the top two increases in our cart.—
Charlotte Observer,
Charlotte Observer,
13 Jan. 2026
Noun
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Werner will be a welcome addition to the Quakes’ attack after the departure of Josef Martinez to Tijuana.—
Mercury News,
Mercury News,
14 Jan. 2026
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In addition to gentle ribbing, the coat also captivated commenters.—
Perrie Samotin,
Glamour,
14 Jan. 2026
Noun
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The city was already buzzing Friday night with both Bears and Packers fans, as the return of the NFL's oldest rivalry is a boost to spirits and business.—
Victor Jacobo,
CBS News,
10 Jan. 2026
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To be sure, how much of a boost beneficiaries see depends on the size of their current benefits.—
Lorie Konish,
CNBC,
9 Jan. 2026
Noun
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Investors also foresee the strain in China-Japan relations benefitting spending on South Korean businesses, leading to gains for Korean retail and consumer stocks, according to Bloomberg.—
Miranda Jeyaretnam,
Time,
13 Jan. 2026
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The Texans stifled the Steelers rushing attack and harassed Aaron Rodgers so extensively — sacking him four times, hitting him 12 times — that the future Hall of Fame quarterback scarcely had time to wait for plays to develop and repeatedly dumped the ball off for short gains.—
Mike Jones,
New York Times,
13 Jan. 2026
Cite this Entry
“Addendum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/addendum. Accessed 15 Jan. 2026.
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