Addendum Definition

ə-dĕndəm
addenda
noun
addenda
Something added or to be added, especially a supplement to a book.
American Heritage
A thing added or to be added.
Webster's New World
An appendix or supplement to a book, etc.
Webster's New World
The part of a gear tooth that projects beyond the pitch circle, or the distance that it projects.
Webster's New World
An addition to a document.
Webster's New World Law
Synonyms:

Other Word Forms of Addendum

Noun

Singular:
addendum
Plural:
addenda, addendums

Origin of Addendum

  • Latin neuter gerundive of addere to add add

    From American Heritage Dictionary of the English Language, 5th Edition

  • From the gerundive of Latin addere (“to add”).

    From Wiktionary

Find Similar Words

Find similar words to addendum using the buttons below.

Words Starting With

Words Ending With

Unscrambles

addendum