Meaning & use
addenda
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“addenda” is a form of “addendum”. See that entry for the full set of meanings.
Meaning
nounplural
Extra pieces of material added to a book, contract, or report, usually to correct, update, or expand it.
Grammar: Plural of addendum; takes a plural verb: the addenda were attached.
Patterns
- addenda to something
The addenda to the contract list the agreed repairs.
Several addenda were stapled to the back of the report.
The publisher issued two addenda correcting the first edition.
Word forms
| singular | addendum |
|---|---|
| alternative plural | addendums |
Common combinations
- addenda to the contract
- Addenda to the contract must be signed by both sides.
- attach addenda
- Please attach addenda to your application.
- list of addenda
- A list of addenda appears on the last page.
- issue addenda
- The agency issued addenda after the first release.
- addenda and corrigenda
- Addenda and corrigenda follow the main text.
Synonyms and how they differ
- appendices
- Appendices are extra sections at the end of a book that give supporting detail, while addenda mainly add or update content.
- supplements
- Supplements are often separate publications, while addenda attach to the original.
- postscripts
- Postscripts are short afterthoughts to letters, less formal than addenda.
- riders
- Riders are extra clauses added to a legal document or bill, narrower than addenda.
Word family
- addendum noun
- one extra item added
- add verb
- to put something extra with something else
- addition noun
- something that is added
- additional adjective
- extra
Commonly confused: addenda or agenda? addenda or errata?
addenda vs agenda
An agenda is a list of items for a meeting; addenda are extra attachments.
addenda vs errata
Errata are corrections of printing mistakes, while addenda add new material.
Practice
The singular of addenda is ___.
Choose one answer.
Addenda is the Latin plural of addendum. Addendas and addendi are not standard forms.
Make it your own
Write a sentence using “addenda”, then check it and compare it with the examples above.