noun ·Moderate ·High school level

Definitions

Noun

1. 1
   Something attached to something else; an attachment or accompaniment. broadly, obsolete

   "Near-synonyms: ancillary, auxiliary"

2. 2
   a vestigial process that extends from the lower end of the cecum and that resembles a small pouch wordnet
3. 3
   A text added to the end of a book or an article, containing additional information.

   "Holonym: back matter"

4. 4
   supplementary material that is collected and appended at the back of a book wordnet
5. 5
   The vermiform appendix.

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6. 6
   Any process, prolongation, or projection.

Synonyms

All synonyms

addendumappendagesupplementabdomenaccessoryaccessory

Example

More examples

"The surgeon took out his patient's appendix."

Etymology

Borrowed from Latin appendix.

Related phrases

appendix auriculaeepiploic appendixhilar appendixvermiform appendix

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.