Prophylactic Definition

prōfə-lăktĭk, prŏfə-
prophylactics
adjective
Preventive or protective; esp., preventing or guarding against disease.
Webster's New World
noun
prophylactics
A prophylactic medicine, device, treatment, etc.
Webster's New World
A condom.
Webster's New World
Synonyms:

Other Word Forms of Prophylactic

Noun

Singular:
prophylactic
Plural:
prophylactics

Origin of Prophylactic

  • French prophylactique from Greek prophulaktikos from prophulassein to take precautions against pro- before pro–2 phulassein to protect (from phulax guard)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin, from Ancient Greek πρό (pro, “before") + φυλάξις (phylaxis, “a watching, guarding")

    From Wiktionary

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