5
barrier(noun, difficulty, hindrance, obstacle, obstruction)
5
cautionary(adjective, warning)
5
hindering
5
impediment(noun, difficulty, curb, restraint, hindrance)
5
obstructive(adjective, preclusive)
5
preemptive
5
prohibitory
4
block(noun, hindrance, impediment, discouragement)
4
contraceptive device(noun, expression, idiom)
4
hinderance
4
impeding
4
obstacle(noun, difficulty, curb, restraint, hindrance)
4
obstruction(noun, difficulty, hindrance, obstacle, impediment)
3
alert(adjective, careful, attentive, protective)
3
attentive(adjective, alert, careful, protective)
3
burden(noun, hindrance)
3
careful(adjective, alert, attentive, protective)
3
cautious(adjective, alert, careful, attentive, protective)
3
concerned(adjective, alert, careful, attentive, protective)
3
curb(noun, restraint, hindrance, impediment, discouragement)
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APASmart Define. (2015). preventive thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/preventive/thesaurus/synonyms
ChicagoSmart Define. 2015. "preventive thesaurus" https://smartdefine.org/preventive/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, preventive thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/preventive/thesaurus/synonyms>.
MLASmart Define. "preventive thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/preventive/thesaurus/synonyms>