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Amended vs. Addended: What's the Difference?

By Janet White || Updated on May 21, 2024
"Amended" refers to making changes or corrections to improve something, while "addended" refers to adding supplementary material to an existing document.

Key Differences

"Amended" involves making changes to a document or item to improve, correct, or clarify it. This term is commonly used in legal, legislative, and editorial contexts where revisions are made to enhance the accuracy or comprehensiveness of the original content. "Addended," on the other hand, refers to the addition of supplementary material to an existing document. This term is often used in academic, legal, and business contexts where new information or details are added without altering the original content.
While "amended" focuses on modification and improvement, "addended" emphasizes the addition of new material. "Amended" implies an internal change within the document, whereas "addended" involves attaching new information to the existing document.
"Amended" is more about refining or correcting the existing text, making it more accurate or relevant. Conversely, "addended" is about expanding the document by appending additional content that complements or supplements the original material.
In terms of usage, "amended" is commonly used in contexts where precision and correctness are paramount, such as legal documents or formal policies. "Addended" is used when there is a need to include new information or updates that were not part of the original document.

Comparison Chart


Making changes or corrections
Adding supplementary material

Usage Context

Legal, legislative, editorial
Academic, legal, business


Modification and improvement
Addition of new material

Action Type

Internal changes
External addition

Common Fields

Law, policies, official documents
Contracts, reports, books

Amended and Addended Definitions


Changed to improve or correct.
The constitution was amended to grant more rights.


Supplemented with additional material.
The book was addended with a new chapter.


Revised for clarity or accuracy.
The report was amended after the review.


Appended with extra content.
The contract was addended with an addendum.


Edited to update content.
The bylaws were amended to include new procedures.


Enriched by adding supplementary sections.
The manual was addended with troubleshooting tips.


Modified to include new information.
The policy was amended to reflect current practices.


Extended by including new details.
The report was addended with recent statistics.


To change for the better; improve
"The confinement appeared to have had very little effect in amending his conduct" (Horatio Alger).


Augmented with further information.
The proposal was addended with feedback from the team.


To alter the wording of (a legal document, for example) so as to make more suitable or acceptable.


Simple past tense and past participle of addend


To enrich (soil), especially by mixing in organic matter or sand.


Furnished with an addendum


To better one's conduct; reform.


(organic chemistry) Furnished with an addend


That has been modified from a previous form.
We voted on the amended bill, and it passed.


Simple past tense and past participle of amend


Of legislation


Modified for the better;
His amended ways


Altered to enhance the original.
The contract was amended to extend the deadline.


Is "amended" commonly used in legal contexts?

Yes, it is frequently used in legal, legislative, and editorial contexts.

Can "addended" be used for books?

Yes, books can be addended with additional chapters or sections.

Does "amended" imply correction?

Yes, it often implies correcting or improving content.

What is "addended"?

It refers to adding supplementary material to an existing document.

What does "amended" mean?

It means making changes to improve or correct something.

Can "addended" be applied to reports?

Yes, reports can be addended with new data or findings.

Does "amended" involve internal changes?

Yes, it involves modifying the existing content.

Is "amended" used for official documents?

Yes, it is commonly used for official and formal documents.

Can an addendum be part of an addended document?

Yes, an addendum is often included in an addended document.

Is "amended" about updating information?

Yes, it can involve updating information to make it more relevant.

Is "addended" used in business?

Yes, it is commonly used in business contexts to add extra terms to documents.

Does "amended" suggest improvement?

Yes, it suggests making improvements to the original content.

Can contracts be addended?

Yes, contracts can be addended with additional clauses or terms.

Does "amended" mean making internal adjustments?

Yes, it involves internal adjustments to the document.

Does "addended" mean altering the original text?

No, it means adding new material without altering the original text.

Can laws be amended?

Yes, laws are often amended to reflect new circumstances or corrections.

Is "addended" suitable for academic papers?

Yes, academic papers can be addended with additional research or appendices.

Is "amended" about refining content?

Yes, it focuses on refining and enhancing content.

Does "addended" imply adding new information?

Yes, it involves adding new supplementary information.

Is "addended" used for extending documents?

Yes, it is used to extend documents with new information.
About Author
Written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.

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