English Reference
noun · verb

deputy

n. · v.
US /ˈdɛpjəti/ UK /dˈɛpjuːti/ deputy UK spelling deputies, deputy's

  1. 01 B2 Upper Intermediate

    n.a person who is next in rank to a leader and can take their place if needed.

    n.an official who acts as a substitute or assistant to a superior, empowered to perform their duties in their absence.

    Simple

    The deputy manager ran the office while the director was on holiday.

    In context

    In the absence of the chairperson, the deputy is authorised to sign all legal documents and preside over the board meeting.

  2. 02 B1 Intermediate American English

    n.a police officer who works for a sheriff, especially in the United States.

    n.a law enforcement officer serving as an assistant to a county sheriff; often the entry-level rank in such agencies.

    Simple

    The sheriff sent a deputy to investigate the car accident on the highway.

    In context

    The deputy patrolled the rural county roads, maintaining a visible presence in areas far from the central station.

    officerdeputy sheriff
  3. 03 C1 Advanced Formal Law

    n.a member of the parliament or government in some countries.

    n.a member of a legislative assembly in certain jurisdictions, such as France or Ireland.

    Simple

    The deputy stood up in parliament to argue against the new tax law.

    In context

    As a newly elected deputy, she spent her first month in the chamber drafting amendments to the environmental protection bill.

  4. 04 C2 Proficiency InformalDialect

    v.to do the work of a leader or superior for a short time.

    v.to perform the duties of a deputy or to act as a proxy for another person.

    Simple

    He had to deputy for the captain after the injury occurred.

    In context

    The junior partner was asked to deputy for the lead counsel during the preliminary hearing.

    Usage

    This verb form is much less common than the noun; 'deputise' is the standard verb in most contexts.

Usage deputy leader · deputy director · deputy chief

Anna Kelly is currently White House deputy press secretary and works under Leavitt.

BBC News· 13 Aug 2026

Thenmozhi, the bureau's Southern Zone Deputy Director, told BBC Tamil that it had written to wildlife officials in Chennai asking them to verify documents and take appropriate action.

BBC News· 13 Aug 2026

From French député, from Late Latin deputatus (“appointed”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin la-lat deputatus
Level C1 · Advanced
Frequency Common
Updated