/ Thesaurus / O Synonyms of obstructive Find synonyms for: Adjective1. clogging, hindering, impeding, obstructive, preventive (vs. permissive), preventativeusage: preventing movement; "the clogging crowds of revelers overflowing into the street"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language