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Definitions of prophylactic
  1. adjective
    capable of preventing conception or impregnation
  2. adjective
    warding off
    "the swastika...a very ancient prophylactic symbol occurring among all peoples"

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  3. noun
    contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse

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  4. noun
    remedy that prevents or slows the course of an illness or disease
  5. adjective
    preventing or contributing to the prevention of disease
    "vaccines are prophylactic" "a prophylactic drug"
Examples of prophylactic
  • "the swastika...a very ancient prophylactic symbol occurring among all peoples"
  • "vaccines are prophylactic"
  • "a prophylactic drug"
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