addendum plural
Sarah Parker
Updated on July 04, 2026
Addendum is a noun that refers to a note added to the end of something. Addenda is its plural. The usage cases are entirely separate; they cannot be substituted for each other in any contexts.
Are addendums correct?
Should I use addenda or addendum? These are simply two forms of the same word. However, because one is plural and one is singular, you cannot interchange them. Addenda is the plural form, and means additions, especially to a book or other written document.
What is the word addenda mean?
addendum in British English
(əˈdɛndəm ) nounWord forms: plural -da (-də ) something added; an addition. a supplement or appendix to a book, magazine, etc.
Is addenda or addendum plural?
a plural of addendum. (used with a singular verb) a list of things to be added: The addenda in the back of the book runs to thirty pages.
How do you use the word addenda?
Addenda is the plural of addendum which means a note at the end of an article.
This noun is the plural form–for example:
The book has ten chapters and addenda.I am proposing addenda to the document draft.Addenda have been added to this insurance contract.Almost all legal contracts have addenda.
What is an addendum vs amendment?
An amendment is typically used to change something that’s part of an original contract. Think of amendments as modifications to the earliest agreement (for example, altering an agreed-upon deadline). An addendum is used to clarify and add things that were not initially part of the original contract or agreement.
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