Word Pronunciation & Dictionary

addendum

/əˈdɛn.dəm/

Word Rarity Rare

Frequency: 2.89 in modern English

Syllables: ad-den-dum
IPA: /əˈdɛn.dəm/

13

Scrabble Score

8

Letters

3

Syllables

6

Unique Chars

Meaning

noun

Something to be added; especially text added as an appendix or supplement to a document.

noun

noun

The height by which the tooth of a gear projects beyond (outside for external, or inside for internal) the standard pitch circle or pitch line.

Example Sentences

"An addendum was added to the contract to clarify payment terms."
"The author included an addendum at the end of the book."

Etymology

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

Origin

Source language: Latin

Word Breakdown

Root: *deh₃-, addere

Regional Pronunciation

American English: /əˈdɛn.dəm/
British English: /əˈdɛn.dəm/

Inflected Forms

addenda (plural) addendums (plural)

Frequently Paired Words

delenda

Synonyms

addend supplement postscript

Rhymes With

referendum

Questions

How do you pronounce addendum?: The recorded pronunciation is /əˈdɛn.dəm/.
What does addendum mean?: Something to be added; especially text added as an appendix or supplement to a document.
Where does addendum come from?: It is traced to Latin.

How to pronounce addendum

Open the pronunciation page — Open the Speakur entry for “addendum”.
Read the phonetic spelling — Read the IPA spelling (/əˈdɛn.dəm/) so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “addendum”.
Repeat and practice — Say “addendum” aloud, matching stress and vowels until it feels natural.