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.

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

Acting to defend against or prevent something, especially disease; protective. n. 1. A prophylactic agent, device, or measure, such as a vaccine or drug. 2. A contraceptive device, especially a condom.

Jul 14, 2025 · Prophylactic antibiotics decrease your risk of developing infections that can sometimes be life-threatening. Prophylactic antibiotics can also stop a chronic or recurrent infection from coming...

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 costly …

Nov 21, 2025 · Adjective prophylactic (comparative more prophylactic, superlative most prophylactic) Serving to prevent or protect against an undesired effect, especially disease or pregnancy

Prophylactic means concerned with preventing disease. Vaccination and other prophylactic measures can be carried out. A prophylactic is a substance or device used for preventing disease. The region …

In medicine, something that prevents or protects.

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.