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Definitions

prophylactic

[proh-fuh-lak-tik, prof-uh-] / ˌproʊ fəˈlæk tɪk, ˌprɒf ə- /
ADJECTIVE
protective
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But more crucially, American military aid is prophylactic.

From Salon

Pallett says such prophylactic use of the drugs, though unavoidable, can “add fuel to the fire” by promoting the evolution and spread of genes for drug resistance.

From Science Magazine

What they found was that it didn't matter whether the patient was treated with prophylactic antibiotics or not when it came to rates of post-operative infection.

From Science Daily

Authorized by the FDA for emergency use, it’s given prophylactically and can help recipients prevent COVID-19 if they are later exposed to an infected person.

From Los Angeles Times

“It’s been mostly prophylactic,” he says — “telling the industry what it can and can’t do. But it’s important to have set down the rules of the road.”

From Los Angeles Times