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fo

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fo¹

Where it comes from

Clipping of folio.

noun fos

  1. abbreviation Abbreviation of folio, page and book size (10"-12.5" x 15"-20").

    Similar: f, F

fo²

preposition

  1. alternative, informal Alternative spelling of fo'

FO³

noun FOs · F.O. · F. O. · F/O

  1. abbreviation, initialism Initialism of first officer
  2. abbreviation, initialism Initialism of field officer
  3. abbreviation, initialism Initialism of first-order logic
  4. abbreviation, initialism Initialism of fuel oil
  5. UK, abbreviation, initialism Initialism of Foreign Office 'He won a bit of a victory at the FO this morning and he's not got anyone for the next half an hour.'

interjection F.O. · F. O. · F/O

  1. Internet, abbreviation, initialism, vulgar Initialism of fuck off

adjective F.O. · F. O. · F/O

  1. abbreviation, initialism, not comparable Initialism of functionally obsolete (no longer compliant with current standards or capable of handling current requirements)

Fo⁴

Where it comes from

From Chinese 佛 (fó).

proper noun

  1. archaic Buddha, in the context of Chinese Buddhism.

Thesaurus

Closest in meaning: xsl, cgt, kin, fum, ssu, sva, enemy, adversary, antagonist, opponent, rival, nemesis, combatant, contender, challenger, assailant

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Cite this
MLA

"fo." Wiktionary, via Micwyn, micwyn.com/word/fo. Accessed 6 Nov. 2026.

APA

fo. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/fo

Chicago

"fo." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/fo.

BibTeX
@misc{fo_2026,
  title = {fo},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/fo},
  urldate = {2026-11-06}
}