Breadcrumb Home > Thesaurus > P Synonyms of precautionary Find synonyms for: Adjective1. precautionary, precautional, preventive (vs. permissive), preventativeusage: taken in advance to protect against possible danger or failure; "gave precautionary advice"; "I would take precautionary steps to keep him away"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of precautionary (Dictionary) ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language