Word.ws English Dictionary

first officer

first officer noun: the copilot of an aircraft.

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 first officer

pluralfirst officers

Questions about first officer

What does first officer mean?
First officer means the copilot of an aircraft.
What part of speech is first officer?
First officer is a noun.
What is the plural of first officer?
The plural of first officer is first officers.

Words near first officer in the dictionary

  1. first notice day
  2. first notice days
  3. first of all
  4. first of never
  5. first off
  6. first officer
  7. first officers
  8. first olive out of the bottle
  9. first olive out of the jar
  10. first order of the day
  11. first order stream

Source and license

Adapted from Wiktionary: 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.

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