as in preventive
concerned with or serving to keep something from happening
the many prophylactic measures that city officials could have taken to reduce the scope of the disaster
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Recent Examples of prophylactic
Two injections of lenacapavir every six months offer near-perfect protection; older prophylactic treatments require daily pills, a challenge in countries with weak health systems.
—
Preeti Jha, semafor.com, 24 Sep. 2025
The report notes, though, that only women with a high risk of preeclampsia should use prophylactic low aspirin to prevent early pregancy loss, fetal growth restriction, stillbirth or early delivery.
—Max Rego, The Hill, 23 Sep. 2025
Most people with moderate to severe hemophilia B depend on weekly life-long prophylactic infusions of factor IX, which temporarily replaces or supplements low levels of the blood-clotting factor.
—Beth Warren, The Tennessean, 21 Aug. 2025
While cases are likely to be fatal when symptoms show up, Harrist told the outlet that a five-shot prophylactic course during a two-week period after being exposed, had a high chance of preventing sickness.
—Gabrielle Rockson, People.com, 19 Aug. 2025
See All Example Sentences for prophylactic
Preeti Jha, semafor.com, 24 Sep. 2025
The report notes, though, that only women with a high risk of preeclampsia should use prophylactic low aspirin to prevent early pregancy loss, fetal growth restriction, stillbirth or early delivery.
—Max Rego, The Hill, 23 Sep. 2025
Most people with moderate to severe hemophilia B depend on weekly life-long prophylactic infusions of factor IX, which temporarily replaces or supplements low levels of the blood-clotting factor.
—Beth Warren, The Tennessean, 21 Aug. 2025
While cases are likely to be fatal when symptoms show up, Harrist told the outlet that a five-shot prophylactic course during a two-week period after being exposed, had a high chance of preventing sickness.
—Gabrielle Rockson, People.com, 19 Aug. 2025
See All Example Sentences for prophylactic
Recent Examples of Synonyms for prophylactic
Adjective
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The discovery, which was made in 2024 but not announced until December, was carried out by Inrap, France's national institution for preventive archaeology.—
Andrea Margolis,
FOXNews.com,
11 Jan. 2026
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The event drew over 200 attendees seeking preventive care, clinical services and Medi-Cal enrollment.—
Anne Gelhaus,
Mercury News,
11 Jan. 2026
Adjective
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As part of her job, Lipuo motivated her coworkers to get tested for HIV and take preventative measures to avoid infection.—
Majirata Latela,
The Dial,
13 Jan. 2026
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Common issues like ice dams, leaks, and clogs can all be avoided with preventative gutter maintenance.—
Kamron Sanders,
Better Homes & Gardens,
13 Jan. 2026
Cite this Entry
“Prophylactic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prophylactic. Accessed 22 Jan. 2026.
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