Word.ws English Dictionary

F/O

F/O is the initialism of fictional other.

F/O is the initialism of first officer.

F/O is the initialism of flying officer.

Meaning of fictional other

Noun

fictional other (plural fictional others, abbreviation F/O or f/o)

  1. (slang) A fictional character one is romantically attracted to or one considers as one's significant other.

Meaning of first officer

Noun

first officer (plural first officers)

  1. The copilot of an aircraft.
  2. The chief mate of a merchant ship.
  3. The executive officer, second in command of a naval vessel.
  4. The most senior civil servant in the United States Foreign Service, with responsibility for running an embassy under the authority of and reporting to the ambassador.
  5. Air Transport Auxiliary rank corresponding to Flight Lieutenant in the Royal Air Force.
  6. Women's Royal Naval Service rank corresponding to Lieutenant-Commander in the Royal Navy.

Forms of F/O

pluralF/Os

Questions about F/O

What is F/O the initialism of?
F/O is the initialism of fictional other.

Words near F/O in the dictionary

  1. f/8 and be there
  2. F/A
  3. F/B/O
  4. f/k/a
  5. F/L
  6. F/O
  7. F/Os
  8. f/stop
  9. f/stops
  10. f/t
  11. F/U

Source and license

Adapted from Wiktionary: F/O (page history and authors); fictional other (page history and authors); first officer (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: “F/O.” Word.ws, https://word.ws/f%2Fo. Based on Wiktionary, CC BY-SA 4.0.