addendum
noun
ad·den·dum
ə-ˈden-dəm 
plural addenda
ə-ˈden-də
also addendums
also addendums
1
: a thing added : addition
2
: a supplement to a book
—often used in plural but singular in construction
Examples of addendum in a Sentence
Francine du Plessix Gray, in an essay first written in 1991 and updated with an addendum here, writes eloquently of a lifelong obsession with weight loss, stemming from the harsh judgments of a mother enraptured by fashion.
—
Ginia Bellafante, New York Times Book Review, 21 Sept. 2008
This qualification, however, is not a recent addendum to Derrida's career. In 1990, near the end of the period in which rhetoric and composition had a strong interest in his work, Derrida participated in an editor's interview … in which he characterized his project as fundamentally tied to the tradition it works both within and against.
—College English, September 2006
The letters are included as an addendum to the biography.
there's an addendum from the author to explain certain stylistic choices that she made
Ginia Bellafante, New York Times Book Review, 21 Sept. 2008
This qualification, however, is not a recent addendum to Derrida's career. In 1990, near the end of the period in which rhetoric and composition had a strong interest in his work, Derrida participated in an editor's interview … in which he characterized his project as fundamentally tied to the tradition it works both within and against.
—College English, September 2006
The letters are included as an addendum to the biography.
there's an addendum from the author to explain certain stylistic choices that she made
Recent Examples on the Web
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
Tuesday’s plan, a sweeping overhaul of the biggest borough’s buses, is an addendum to a proposal that was itself billed as final last year.
—Evan Simko-Bednarski, New York Daily News, 17 Dec. 2024
See all Example Sentences for addendum 
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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
Tuesday’s plan, a sweeping overhaul of the biggest borough’s buses, is an addendum to a proposal that was itself billed as final last year.
—Evan Simko-Bednarski, New York Daily News, 17 Dec. 2024
See all Example Sentences for addendum
Dictionary Entries Near addendum
Cite this Entry
“Addendum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/addendum. Accessed 20 Feb. 2025.
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