Addendum — Meaning, Definition & Synonyms

noun /ə-ˈden-dəm/ ad·den·dum

Meaning & Definition of Addendum

Addendum (noun)

  1. a thing added, addition
  2. a supplement to a book —often used in plural but singular in construction

Addendum (noun) — Senses, Synonyms & Antonyms

  1. a part added at the end of a book or periodical

    "there's an addendum from the author to explain certain stylistic choices that she made"

    similar: afterword, appendix, codicil, excursus, supplement
    related: coda, epilogue, postlude, conclusion, ending, finale, accompaniment, addition, complement, postscript, follow-up, sequel, documentation, allonge, rider
    opposite: foreword, introduction, preface, prologue

  2. something added (as by growth)

    "with each new addendum the list of demands simply got more absurd"

    similar: accretion, accrual, addition, augmentation, boost, expansion, gain, increase, increment, more, plus, proliferation, raise, rise, step-up, supplement, uptick
    related: accumulation, assemblage, collection, gathering, complement, accession, appendix, continuation, extension, uptrend, upturn, jump, run-up, spike
    opposite: abatement, decline, decrease, decrement, depletion, diminishment, diminution, drop-off, fall, falloff, lessening, loss, lowering, reduction, shrinkage, step-down
    near: deduction, subtraction

Synonyms, Thesaurus & Another Word for Addendum

The most common words with a similar meaning to Addendum:

afterword, appendix, codicil, excursus, supplement, accretion, accrual, addition, augmentation, boost, expansion, gain, increase, increment, more, plus, proliferation, raise, rise, step-up, uptick

Antonyms & Opposite Words for Addendum

Words with the opposite meaning of Addendum:

foreword, introduction, preface, prologue, abatement, decline, decrease, decrement, depletion, diminishment, diminution, drop-off, fall, falloff, lessening, loss, lowering, reduction, shrinkage, step-down

Related Words for Addendum

coda, epilogue, postlude, conclusion, ending, finale, accompaniment, complement, postscript, follow-up, sequel, documentation, allonge, rider, accumulation, assemblage, collection, gathering, accession, continuation, extension, uptrend, upturn, jump, run-up, spike

Near Antonyms of Addendum

deduction, subtraction

Word Forms of Addendum

Inflections: addenda, addendums

Origin & Etymology of Addendum

borrowed from Latin, neuter of addendus, gerundive of addere "to add"

First known use: 1664

Frequently Asked Questions about Addendum

What does "Addendum" mean?

"Addendum" means a thing added, addition. As a noun, it is defined as: a thing added, addition. It has 2 distinct senses.

What is another word for "Addendum"?

Other words for "Addendum" include afterword, appendix, codicil, excursus, supplement, accretion, accrual and addition. The best synonym depends on which meaning of "Addendum" you intend.

What are different ways to say "Addendum"?

There are 47 words and phrases with a similar meaning to "Addendum". Common alternatives include afterword, appendix, codicil, excursus, supplement, accretion, accrual, addition, augmentation and boost.

What is the opposite of "Addendum"?

Antonyms of "Addendum" include foreword, introduction, preface, prologue, abatement, decline, decrease and decrement. Near antonyms include deduction and subtraction.

How do you use "Addendum" in a sentence?

Examples of "Addendum" in a sentence: "there's an addendum from the author to explain certain stylistic choices that she made"; "with each new addendum the list of demands simply got more absurd".

Is "Addendum" a noun, verb, or adjective?

"Addendum" is a noun.

How do you pronounce "Addendum"?

"Addendum" is pronounced /ə-ˈden-dəm/ and divided into syllables as ad·den·dum.

What is the origin of the word "Addendum"?

"Addendum" comes from borrowed from Latin, neuter of addendus, gerundive of addere "to add". First known use: 1664.