/ Thesaurus / S Synonyms of snooper Find synonyms for: Noun1. snoop, snooper, spyusage: a spy who makes uninvited inquiries into the private affairs of othersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language