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[ad-min-uh-strey-ter] /ædˈmɪn əˌstreɪ tər/
a person who manages or has a talent for managing.
Law. a person appointed by a court to take charge of the estate of a decedent, but not appointed in the decedent's will.
Also called Informal, admin. Computers.
  1. a person who manages and supports a computer system or network, as in a business or other organization:
    the company’s system administrator; a database administrator.
    Compare system operator.
  2. a person who determines the site policies, appoints moderators, and manages the technical operation of an Internet message board or other interactive website:
    a forum administrator.
  3. a user account on a home computer accessible only by the user who manages the computer system.
    Compare root1 (def 11b).
  4. a user who has access to this user account.
Origin of administrator
late Middle English
1400-50; late Middle English < Latin administrātor, equivalent to administrā(re) (see administer) + -tor -tor
Related forms
administratorship, noun
preadministrator, noun
subadministrator, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for administrator
Contemporary Examples
Historical Examples
  • She adjudged the case on its merits, as it would be handled by an administrator of the law—the common law we all must keep.

  • And "Banquo" was the word that the administrator telegraphed.

    Bones Edgar Wallace
  • Gustavus, however, refused this honour, and governed the country for some time as administrator.

  • I wonder if the administrator knew this was going to happen?

    Bones Edgar Wallace
  • Such a splendid fellow, with an iron hand, just what an administrator ought to be.

    Virgin Soil Ivan S. Turgenev
British Dictionary definitions for administrator


a person who administers the affairs of an organization, official body, etc
(property law) a person authorized to manage an estate, esp when the owner has died intestate or without having appointed executors
a person who manages a computer system
Derived Forms
administratrix, noun:feminine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for administrator

mid-15c., from Middle French administrateur or directly from Latin administrator "a manager, conductor," agent noun from past participle stem of administrare (see administer). Estate sense is earliest. For ending, see -er.

Online Etymology Dictionary, © 2010 Douglas Harper
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