RhymeZone: preventive definitions

Definitions of preventive:

noun: remedy that prevents or slows the course of an illness or disease
noun: an agent or device intended to prevent conception
noun: any obstruction that impedes or is burdensome
adjective: tending to prevent or hinder
adjective: preventing or contributing to the prevention of disease
Example: "Preventive medicine"
adjective: tending to ward off

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See preventive used in context: 6 rhymes, several books and articles.