Word.ws English Dictionary

NPO

NPO phrase: "nil per os" (nothing by mouth - nothing may be eaten or drunk). Also the initialism of nonprofit organization.

Phrase

NPO

  1. "nil per os" (nothing by mouth - nothing may be eaten or drunk).
    • Near-synonym: parenterally
    Synonyms:
    parenterally
    Antonyms:
    PO, peroral

Also used as

NPO is also the initialism of nonprofit organization.

NPO is also the initialism of near-packaged optics.

Synonyms of NPO

Antonyms

Forms of NPO

pluralNPOs

Questions about NPO

What does NPO mean?
NPO means "nil per os" (nothing by mouth - nothing may be eaten or drunk).
What part of speech is NPO?
NPO is a phrase.

Words near NPO in the dictionary

  1. NPL
  2. NPLs
  3. npm
  4. NPN
  5. NPNs
  6. NPO
  7. NPOESS
  8. NPOIU
  9. NPOs
  10. NPOV
  11. NPP

Source and license

Adapted from Wiktionary: NPO (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “NPO.” Word.ws, https://word.ws/npo. Based on Wiktionary, CC BY-SA 4.0.