Breadcrumb Home > Thesaurus > O Synonyms of obsessive Find synonyms for: Noun1. obsessive, neurotic, psychoneurotic, mental caseusage: a person who has obsessionsAdjective1. obsessional, obsessive, neurotic (vs. unneurotic), psychoneuroticusage: characterized by or constituting an obsession; "the obsessional character of his response"; "obsessive gambling"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of obsessive (Dictionary) ✖ Related Content Daily Word Quiz: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language