Meaning of “officer” in the English Dictionary

"officer" in British English

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officernoun [ C ]

uk /ˈɒf.ɪ.sər/ us /ˈɑː.fɪ.sɚ/

B2 a person in the armed forces who has a position of authority:

a naval officer
a top-ranking officer

B1 a person who has a position of authority in an organization:

B1 a member of the police force:

Two officers responded to the call at 282 Main Street.
Officer Clarke
[ as form of address ] "Do you know how fast you were driving, ma'am?" "No, officer."

More examples

  • The officer commanded his men to shoot.
  • Inasmuch as you are their commanding officer, you are responsible for the behaviour of these men.
  • The police have appointed a liaison officer to work with the local community.
  • Every available officer will be assigned to the investigation.
  • There was a record number of confiscations by customs officers last year.

(Definition of “officer” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"officer" in American English

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officernoun [ C ]

us /ˈɔ·fə·sər, ˈɑf·ə-/

officer noun [ C ] (RESPONSIBILITY)

a person in the armed forces who has a position of authority:

Mike’s father was an officer in the US Marines.

An officer is also a member of a police force.

officer noun [ C ] (WORK PLACE)

a person who has an important job in a company:

the chief financial officer

(Definition of “officer” from the Cambridge Academic Content Dictionary © Cambridge University Press)

(Definition of “officer” from the Cambridge Business English Dictionary © Cambridge University Press)