variants
also addendums
1
as in appendixes
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
Relevance
Antonyms & Near Antonyms
2
as in additions
something added (as by growth)
with each new addendum the list of demands simply got more absurd
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of addenda
Matariyeh’s lawyer William Walker had submitted Norgaard addendums to Mataryieh’s guilty pleas in August.
—
Dale Morin, Twin Cities, 26 Nov. 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
Dale Morin, Twin Cities, 26 Nov. 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
Recent Examples of Synonyms for addenda
Noun
-
Their analysis, which includes seven figures, thirteen tables, six appendices, and nearly 25,000 words, revealed three main findings.—
Ge Bai,
Forbes.com,
28 Aug. 2025
Noun
-
The new convention center may help, as have the additions of parks and green space throughout the neighborhood, and the Arts District remains a hotspot for prestigious entertainment.—
Sasha Richie,
Dallas Morning News,
9 Jan. 2026
-
Angel City Football Club’s week of additions ended Friday with the acquisition of defender Emily Sams in a trade with the Orlando Pride.—
Damian Calhoun,
Daily News,
9 Jan. 2026
Noun
-
Now that prices for eggs and coffee have come down, those price increases have stayed.—
Sun Sentinel Editorial Board,
Sun Sentinel,
9 Jan. 2026
-
The cooldown ended a monthslong acceleration of price increases and offered some relief for households strained by cost hikes.—
Max Zahn,
ABC News,
9 Jan. 2026
Cite this Entry
“Addenda.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/addenda. Accessed 13 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share