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addendum

noun

Simple meaning

Textual matter that is added onto a publication.

Pronunciation

Say it like this:

uhdehduhm

Say the bold part a little louder.

US device voice
IPA pronunciation (US)

əˈdɛdəm

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. Textual matter that is added onto a publication; usually at the end

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

  3. engineering

    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.

  4. A postscript.

Word at a Glance

Difficulty
B2 · Upper Intermediate (estimated)
Frequency
Moderately Common
Typical Use
Neutral / general English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: Textual matter that is added onto a publication; usually at the end

An 'addendum' is extra information added at the end of a document, often to clarify or update. It's more formal than 'note' and implies the original text is complete but needs further details.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Where you'll really hear it

  • Legal documents

    “Please sign the addendum acknowledging the new terms.”

  • Academic papers

    “We included an addendum with additional experimental data.”

  • Business contracts

    “An addendum was attached to address the revised delivery schedule.”

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use addendum

  • “Please read the addendum at the end for additional important information.”noun

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Common Patterns and Combinations

How this word naturally appears with others.

Textual

page addendum

Height

addendum circle

Other combinations

see addendumimportant addendumsecond addendumshort addendumfollowing addenduminteresting addendum

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More about this wordSynonyms, forms, origin

Synonyms

Sense: textual matter that is added onto a publication

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.