PROPHYLACTIC definition: 1. preventing disease: 2. something that is intended to prevent disease 3. a condom. Learn more.

The meaning of PROPHYLACTIC is guarding from or preventing the spread or occurrence of disease or infection. How to use prophylactic in a sentence.

PROPHYLACTIC definition: defending or protecting from disease or infection, as a drug. See examples of prophylactic used in a sentence.

Feb 25, 2026 · Prophylactic treatment helps prevent disease or stop it from getting worse. Examples of prophylaxis include vaccines and dental cleanings. Preventing disease is often easier and less …

1. preventive or protective, esp. from disease or infection. n. 2. a prophylactic medicine or measure. 3. a preventive. 4. a device used to prevent conception or venereal infection, esp. a condom.

Factsheet What does the word prophylactic mean? There are three meanings listed in OED's entry for the word prophylactic. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

pro•phy•lac•tic (prō′fə lak′ tik, prof′ə-), adj. Drugs defending or protecting from disease or infection, as a drug. preventive or protective. n. Medicine a prophylactic medicine or measure. a preventive. a …