appendix

A1P3P3E1N1D2I1X8
UK, US/əˈpɛn.dɪks/pin pen merger/əˈpɪn.dɪks/

noun

Something attached to something else; an attachment or accompaniment.

“Holonym: back matter”

Similar
additionaddendumattachmentaccessoryaccompanimentadd-onadjunctaffix
OriginLatin appendix →
CommonScrabble 20
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Meanings

nounappendix (plural appendices or appendixes)

plural appendices · plural appendixes

  1. broadlyobsoleteSomething attached to something else; an attachment or accompaniment.

    Near-synonyms: ancillary, auxiliary

    1 more example

    idleness is an appendix to nobility; they count it a disgrace to work, and spend all their days in sports, recreations, and pastimes […]

    1621, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy, New York: New York Review Books, published 2001, →ISBN, page 244

    Synonyms: addition, addendum, attachment, accessory, accompaniment, addition, add-on, adjunct

  2. A text added to the end of a book or an article, containing additional information.

    Holonym: back matter

    1 more example

    Near-synonyms: supplement (sometimes synonymous), addendum, codicil

    Synonyms: supplement, addendum, codicil

  3. anatomyThe vermiform appendix.
  4. anatomyAny process, prolongation, or projection.

    Synonyms: appendage

Synonyms & antonyms

nounSomething attached to something else; an attachment or accompaniment.

Similar
additionaddendumattachmentaccessoryaccompanimentadditionadd-onadjunctaffixannexinfusionapanageappendageextraincreaseincrementsupplementancillaryauxiliary

nounA text added to the end of a book or an article, containing additional information.

Similar
supplementaddendumcodicil

nounAny process, prolongation, or projection.

Similar
appendage

More synonyms by meaning

nouna vestigial process that extends from the lower end of the cecum and that resembles a small pouch

Similar
vermiform appendixvermiform processcecal appendage
Broader
processoutgrowthappendage
Also see
accompanimentadjunctaffixafterwordappendageprojectionsupplementtrailervermiform appendix

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinappendix
  2. Latinappendix
  3. Englishappendix

Borrowed from Latin appendix.

More words from Latin

Full word history & related roots →

Translations

Ancient Greek ἐπινομίς
  • ἐπινομίς (epinomís)text added to the end of a book or an article
Arabic مُلْحَق
  • مُلْحَق (mulḥaq)text added to the end of a book or an article
Bulgarian приложе́ние
  • приложе́ние (priložénie)text added to the end of a book or an article
Catalan apèndix
  • apèndixtext added to the end of a book or an article
Chinese Cantonese 附錄 /附录
  • 附錄 /附录 (fu⁶ luk⁶)text added to the end of a book or an article
Chinese Mandarin 附錄 /附录
  • 附錄 /附录 (fùlù)text added to the end of a book or an article
Czech příloha, dodatek
  • přílohatext added to the end of a book or an article
  • dodatektext added to the end of a book or an article
Danish appendiks
  • appendikstext added to the end of a book or an article
Dutch aanhangsel, appendix
  • aanhangseltext added to the end of a book or an article
  • appendixtext added to the end of a book or an article
Esperanto alaĵo, aneksaĵo
  • alaĵotext added to the end of a book or an article
  • aneksaĵotext added to the end of a book or an article
  • aneksotext added to the end of a book or an article
Finnish liite, jälkiteksti
  • liitetext added to the end of a book or an article
  • jälkitekstitext added to the end of a book or an article
  • täydennysosatext added to the end of a book or an article
French annexe, appendice
  • annexetext added to the end of a book or an article
  • appendicetext added to the end of a book or an article
German Anhang, Beiheft
  • Anhangtext added to the end of a book or an article
  • Beihefttext added to the end of a book or an article
Greek παράρτημα
  • παράρτημα (parártima)text added to the end of a book or an article
Hebrew נִסְפָּח
  • נִסְפָּח (nispákh)text added to the end of a book or an article
Hindi परिशिष्ट
  • परिशिष्ट (pariśiṣṭ)text added to the end of a book or an article
Hungarian függelék
  • függeléktext added to the end of a book or an article
Icelandic bókarauki, viðauki
  • bókaraukitext added to the end of a book or an article
  • viðaukitext added to the end of a book or an article
Irish aguisín, forscríbhinn
  • aguisíntext added to the end of a book or an article
  • forscríbhinntext added to the end of a book or an article
Italian appendice
  • appendicetext added to the end of a book or an article
Japanese 付録
  • 付録 (furoku)text added to the end of a book or an article
Korean 부록
  • 부록 (burok)text added to the end of a book or an article
Māori tāpiritanga, kupu āpiti
  • tāpiritangatext added to the end of a book or an article
  • kupu āpititext added to the end of a book or an article
  • āpitihangatext added to the end of a book or an article
Norwegian vedlegg, supplement
  • vedleggtext added to the end of a book or an article
  • supplementtext added to the end of a book or an article
Norwegian Bokmål appendiks
  • appendikstext added to the end of a book or an article
Persian ضمیمه, پیوست
  • ضمیمه (zamime)text added to the end of a book or an article
  • پیوست (peyvast)text added to the end of a book or an article
Polish załącznik, dodatek
  • załączniktext added to the end of a book or an article
  • dodatektext added to the end of a book or an article
  • anekstext added to the end of a book or an article
  • uzupełnienietext added to the end of a book or an article
  • apendykstext added to the end of a book or an article
  • appendixtext added to the end of a book or an article
Portuguese apêndice
  • apêndicetext added to the end of a book or an article
Romanian apendice, anexă
  • apendicetext added to the end of a book or an article
  • anexătext added to the end of a book or an article
Russian приложе́ние, дополне́ние
  • приложе́ние (priložénije)text added to the end of a book or an article
  • дополне́ние (dopolnénije)text added to the end of a book or an article
Scottish Gaelic eàrr-ràdh
  • eàrr-ràdhtext added to the end of a book or an article
Slovak príloha, dodatok
  • prílohatext added to the end of a book or an article
  • dodatoktext added to the end of a book or an article
Spanish apéndice
  • apéndicetext added to the end of a book or an article
Swahili kiambatisho
  • kiambatishotext added to the end of a book or an article
Swedish appendix, tillägg
  • appendixtext added to the end of a book or an article
  • tilläggtext added to the end of a book or an article
  • bilagatext added to the end of a book or an article
Tagalog hugpong
  • hugpongtext added to the end of a book or an article
Ukrainian дода́ток
  • дода́ток (dodátok)text added to the end of a book or an article
Vietnamese phụ lục
  • phụ lụctext added to the end of a book or an article
Welsh atodiad
  • atodiadtext added to the end of a book or an article
Cite this entry
APA

appendix. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/appendix

MLA

“appendix.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/appendix. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “appendix,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/appendix.

Source: appendix on Wiktionary, CC BY-SA 4.0.