Noun
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an agent or device intended to prevent conception
- contraceptive device - prophylactic device - birth control device -
any obstruction that impedes or is burdensome
-
remedy that prevents or slows the course of an illness or disease
"the doctor recommended several preventatives"
Adjective
-
tending to prevent or hinder
-
preventing or contributing to the prevention of disease
"preventive medicine"
"vaccines are prophylactic"
"a prophylactic drug"