/ Thesaurus / S Synonyms of system administrator Find synonyms for: Noun1. system administrator, supervisor, computer userusage: a person in charge of managing and maintaining a computer system of telecommunication system (as for a business or institution)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language