Breadcrumb Home > Thesaurus > O Synonyms of obsess Find synonyms for: Verb 1. haunt, obsess, ghost, preoccupy usage: haunt like a ghost; pursue; "Fear of illness haunts her" 2. obsess, worry usage: be preoccupied with something; "She is obsessing over her weight" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of obsess (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language