English Reference
noun

administrator

n.
US /ədˈmɪnəˌstɹeɪtɝ/ UK /ɐdmˈɪnɪstɹˌeɪtɐ/ ad·min·is·tra·tor UK spelling administrator's, administrator's

  1. 01 B2 Upper Intermediate

    someone who manages the daily operations and paperwork of a business or organisation.

    an individual responsible for the executive or clerical management of an organisation or department.

    Simple

    The school administrator handles all the student records and teacher schedules.

    In context

    The hospital administrator implemented a new protocol to streamline patient admissions and reduce waiting times in the emergency department.

  2. 02 B2 Upper Intermediate Computing

    a person who looks after a computer system, website, or network.

    a person responsible for the installation, configuration, and maintenance of a computer system or network.

    Simple

    If you forget your password, you need to contact the system administrator.

    In context

    The network administrator spent the weekend patching security vulnerabilities to prevent further unauthorised access to the corporate database.

    sysadminwebmaster
  3. 03 C1 Advanced FormalTechnical Law

    a person chosen by a court to manage the money and property of someone who has died.

    a person legally appointed to manage or settle the estate of a deceased individual, particularly when no valid will exists.

    Simple

    The court appointed an administrator to divide the property among the family members.

    In context

    In the absence of a named executor in the will, the court designated a professional administrator to oversee the distribution of the deceased's assets.

  4. 04 C2 Proficiency FormalBritish English

    a high-ranking official who represents a government in a specific territory.

    a high-level official representing the crown or a central government in certain territories or jurisdictions.

    Simple

    The administrator of the island met with local leaders to discuss the new laws.

    In context

    The Administrator of the Northern Territory performs functions similar to those of a state governor, acting as the representative of the Crown.

Teachers, administrators and child welfare workers have been recruited from the refugee community, allowing people who fled Sudan to help provide services for families displaced alongside them.

Al Jazeera· 15 Aug 2026

In 2021, SpaceX partnered with businessman Jared Isaacman , who is now the NASA administrator, to advertise seats on the first all-civilian flight to orbit, Inspiration4 .

Phys.org· 15 Aug 2026

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *mey- Proto-Indo-European *-yōs Proto-Italic *minōs Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *minosteros Latin minister Latin ministrō Latin administrō Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin administrātorbor. English administrator Borrowed from Latin administrātor (literally “he that is near to attend”). Doublet of administrador.

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

This entry
Level C1 · Advanced
Frequency Common
Updated