administrator
Americannoun
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a person who manages or has a talent for managing.
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Law. a person appointed by a court to take charge of the estate of a decedent, but not appointed in the decedent's will.
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Computers. Also admin
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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.
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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.
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a user account on a home computer accessible only by the user who manages the computer system.
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a user who has access to this user account.
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noun
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a person who administers the affairs of an organization, official body, etc
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property law a person authorized to manage an estate, esp when the owner has died intestate or without having appointed executors
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a person who manages a computer system
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of administrator
First recorded in 1400–50; late Middle English, from Middle French administratour, from Latin administrātor, equivalent to administrā(re) “to assist, serve” ( see administer) + -tor -tor
Explanation
The boss, the head honcho, the person in charge: An administrator is the person responsible for managing things and running the show. Administrators are often found directing government agencies, organizing institutions, or leading school departments. They're the decision makers and the planners, the people who put in place or administer the rules and guidelines. In other words, the administrator's office is probably the last place you want to end up if you're in trouble.
Vocabulary lists containing administrator
Like A Boss: Words for the Person in Charge
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The Executive Branch: The Presidency and Vice Presidency
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The Parker Inheritance
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Adetoro was a senior accountant, Christina Walters was a junior accountant, and Rebecca Walters was a HR administrator, she said.
From BBC • Jun. 29, 2026
First, the National Aeronautics and Space Administration defended the program through William Readdy, its associate administrator for spaceflight, accompanied by a retired admiral.
From The Wall Street Journal • Jun. 11, 2026
NASA's administrator Jared Isaacman on Wednesday defended the makeup of the space agency's latest Artemis crew, an all-male group.
From Barron's • Jun. 10, 2026
Nasa's Moon Base programme — unveiled in May 2026 by the agency's administrator, Jared Isaacman — sets out three phases:
From BBC • Jun. 9, 2026
The administrator stared down at the papers on his desk, silent, ignoring her for an uncomfortably long moment while he picked the lint off his trousers.
From "Warriors Don't Cry: A Searing Memoir of the Battle to Integrate Little Rock's Central High" by Melba Pattillo Beals
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
