/ Thesaurus / A Synonyms of alienator Find synonyms for: Noun1. alienator, unpleasant person, disagreeable personusage: an unpleasant person who causes friendly people to become indifferent or unfriendly or hostileWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language