noun

addendum

uh-DEHN-duhm

Addendum (noun) means something added on afterward, especially extra text attached to a document. Example: “The contract included an addendum covering the new payment terms.”

noun

Something added on afterward, especially extra text attached to a document.

"The contract included an addendum covering the new payment terms."

"Please read the addendum at the back of the report before signing."

How to Use Addendum

Learner’s notes

In plain EnglishAn extra piece added to the end of a document to add or clarify information.

Common mistake

The plural is "addenda," not "addendums," in formal writing.

Common pairings

an addendum to the contract attach an addendum

Word Forms

addenda plural, addendums plural

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The contract included an _____ covering the new payment terms.

Etymology

From Latin addendum, "a thing to be added," from addere, "to add."

Origin: Latin

Rhymes for addendum

referendum

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Frequently Asked Questions

What does “addendum” mean?

The word “addendum” means something added on afterward, especially extra text attached to a document. In plain terms, an extra piece added to the end of a document to add or clarify information.

How do you pronounce “addendum”?

“Addendum” is pronounced uh-DEHN-duhm (/əˈdɛn.dəm/ in IPA).

How do you use “addendum” in a sentence?

Here is “addendum” used in a sentence: “The contract included an addendum covering the new payment terms.”

What part of speech is “addendum”?

“Addendum” is a noun.

Where does the word “addendum” come from?

The word “addendum” comes from Latin. From Latin addendum, "a thing to be added," from addere, "to add.".

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Vocabulary lists that include addendum:

Words With Latin Origins