| barrier(noun, difficulty, hindrance, obstacle, obstruction) | |
| cautionary(adjective, warning) | |
| hindering | |
| impediment(noun, difficulty, curb, restraint, hindrance) | |
| obstructive(adjective, preclusive) | |
| preemptive | |
| prohibitory | |
| block(noun, hindrance, impediment, discouragement) | |
| contraceptive device(noun, expression, idiom) | |
| hinderance | |
| impeding | |
| obstacle(noun, difficulty, curb, restraint, hindrance) | |
| obstruction(noun, difficulty, hindrance, obstacle, impediment) | |
| alert(adjective, careful, attentive, protective) | |
| attentive(adjective, alert, careful, protective) | |
| burden(noun, hindrance) | |
| careful(adjective, alert, attentive, protective) | |
| cautious(adjective, alert, careful, attentive, protective) | |
| concerned(adjective, alert, careful, attentive, protective) | |
| curb(noun, restraint, hindrance, impediment, discouragement) |
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| APA | Smart Define. (2015). preventive thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/preventive/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "preventive thesaurus" https://smartdefine.org/preventive/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, preventive thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/preventive/thesaurus/synonyms>. |
| MLA | Smart Define. "preventive thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/preventive/thesaurus/synonyms> |