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A section added to the end of a document to provide additional information or corrections.
The report included an addendum with the latest survey data.
The report had an extra section at the end that contained the most recent survey results.
After publication, the author issued an addendum to address reader feedback.
After the book was published, the writer released an additional section to respond to comments from readers.
Often used in legal, academic, and business documents. The plural form is 'addenda' or 'addendums'.
The plural of 'addendum' can be either 'addenda' (traditional Latin form) or 'addendums' (anglicized form). Both are correct, but 'addenda' is more common in formal writing.
Only use 'addendum' when referring to a formal addition to a document, such as a contract, report, or academic paper. Do not use it for casual or minor updates.
From Latin 'addendum' (thing to be added), neuter singular gerundive of 'addere' (to add), from 'ad-' (to) + 'dare' (to give).
Addendum is typically used for formal or written contexts. It is not used for minor updates or casual additions.