Meaning of preventative

Definition of preventative

(adj) tending to prevent or hinder
preventing or contributing to the prevention of disease; "preventive medicine"; "vaccines are prophylactic"; "a prophylactic drug"
(noun) remedy that prevents or slows the course of an illness or disease; "the doctor recommended several preventatives"
any obstruction that impedes or is burdensome
an agent or device intended to prevent conception

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