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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.

She said she has seen a 30% increase in women ages 30 to 35 coming in for reconstruction after prophylactic mastectomies in the past three years.

From The Wall Street Journal • Jun. 7, 2026

Along with routine screening through mammography or MRI, some individuals with inherited genetic mutations that greatly increase breast cancer risk may choose preventive surgery, including prophylactic mastectomy.

From Science Daily • Jun. 6, 2026

It also announced plans to buy Cidara Therapeutics, which is working on antiviral treatments, including a flu prophylactic in Phase 3, for $9.2 billion.

From MarketWatch • Feb. 3, 2026

Third, these policies can serve an important prophylactic function by enabling employers to identify and remedy barriers to equal opportunity that, if allowed to fester, may lead to civil rights law violations.

From Slate • Feb. 10, 2025

Both physical and mental conditions are better in the cities, of course, but there is still room for a moral prophylactic.

From Prowling about Panama by Miller, George A.




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