prophylactic
adjective
pro·phy·lac·tic
| \ ˌprō-fə-ˈlak-tik also ˌprä-
\
\
Definition of prophylactic
(Entry 1 of 2)
1
: guarding from or preventing the spread or occurrence of disease or infection
2
: tending to prevent or ward off : preventive
prophylactic
nounDefinition of prophylactic (Entry 2 of 2)
: something prophylactic
especially
: a device and especially a condom for preventing venereal infection or conception
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Other Words from prophylactic
Adjective
prophylactically
\ ˌprō-fə-ˈlak-ti-k(ə-)lē
also ˌprä- \
adverb
also ˌprä- \
adverb
Synonyms for prophylactic
Synonyms: Adjective
precautionary, preventative, preventive
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Examples of prophylactic in a Sentence
Adjective
the prophylactic use of antibiotics the many prophylactic measures that city officials could have taken to reduce the scope of the disasterRecent Examples on the Web: Adjective
Through all these efforts, prophylactic protections against HIV are getting much more tailored and personalized. — Sara Harrison, WIRED, "PrEP Made HIV Prevention Easier—and It’s Getting Even Simpler," 30 July 2019 Then just days after her 50th birthday in December, Hilary elected to undergo a prophylactic double-mastectomy and reconstruction. — Catherine Bigelow, SFChronicle.com, "SF Chronicle columnist Leah Garchik gets a big thank you and swell sendoff," 25 June 2019 The baby’s parents declined treatment with a prophylactic immunoglobulin. — Beth Mole, Ars Technica, "Vaccine-refusing community drove outbreak that cost $395K, sickened babies," 30 July 2018 Workers then determined the vaccination status of those exposed and doled out prophylactic treatments or vaccines to those who would take them. — Beth Mole, Ars Technica, "Vaccine-refusing community drove outbreak that cost $395K, sickened babies," 30 July 2018 And casting the investigation, from the beginning, as a political witch hunt is a prophylactic measure meant to ensure that no matter what the investigation finds, it will not be interpreted as grounds for impeachment or removal. — Dylan Matthews, Vox, "Paul Ryan is helping Trump undermine the rule of law," 27 July 2018 Johnston thinks the investigators will have some idea whether the prophylactic is working in a year or two. — Keridwen Cornelius, Scientific American, "A Shot against Cancer Slated for Testing in Massive Dog Study," 7 June 2018 In addition to negating ovarian cancer risk in women who have the BRCA1 or BRCA2 genes, prophylactic ovarian removal can also lower the risk of breast cancer by up to 50%. — Dr. Lisa Abaid, latimes.com, "Genetic screening can inform women of their breast and ovarian cancer risks," 5 July 2018 Gay and bisexual men, who are still at extremely high risk of HIV infection in America, are now encouraged to take prophylactic pills once a day that can reduce the chance of infection by 99%. — The Economist, "Why STDs are soaring in America," 13 June 2018Recent Examples on the Web: Noun
Getting and staying married is not a surefire prophylactic against poverty. — Kevin D. Williamson, National Review, "The White Ghetto," 23 July 2019 Preventive, or prophylactic, removal of the breasts and ovaries reduces the risk a great deal. — Peter Bach, Town & Country, "A Pioneering Force," 11 Sep. 2013 Nary an instance of emergency room visits or poison control queries or pediatricians receiving frantic calls from parents whose teens have prophylactics blocking their airways. — Heidi Stevens, chicagotribune.com, "Calm down about the condom challenge, grown-ups," 2 Apr. 2018 This includes marketing and making preventative medication called PrEP (pre exposure prophylactics) more available to high-risk candidates. — Maria Clark, NOLA.com, "'Test and Treat' approach to HIV epidemic could save lives," 30 Mar. 2018 When implemented as a mandatory smartphone prophylactic, Yondr becomes a means of control, not of choice, let alone of presence. — Marcel O’gorman, The Atlantic, "The Case for Locking Up Your Smartphone," 2 Feb. 2018 Their default skeptical stance is a prophylactic against the wiles of wishful thinking, a dare to true believers to provide extraordinary evidence in support of extraordinary claims. — Lee Billings, Scientific American, "It’s Never Aliens—until It Is," 9 Jan. 2018 The answer, based on conversations with administration officials familiar with the selection process, comes down to tactics and prophylactics. — Newsweek, "Analysis," 14 Mar. 2018 Some antidotes can be administered as prophylactics to troops about to go into battle, if there is a risk of nerve agents being employed. — Simon Cotton, Scientific American, "Nerve Agents: What Are They and How Do They Work?," 9 Mar. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prophylactic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for prophylactic
prophylactic
adjective
English Language Learners Definition of prophylactic
(Entry 1 of 2)
medical
: designed to prevent disease
prophylactic
nounEnglish Language Learners Definition of prophylactic (Entry 2 of 2)
medical
: something that is designed to prevent the spread of disease or infection
See the full definition for prophylactic in the English Language Learners Dictionary
prophylactic
adjective
pro·phy·lac·tic
| \ ˌprō-fə-ˈlak-tik also ˌpräf-ə-\
Medical Definition of prophylactic
(Entry 1 of 2)
1
: guarding from or preventing the spread or occurrence of disease or infection
prophylactic therapy
2
: tending to prevent or ward off : preventive
Other Words from prophylactic
prophylactically
\ -ti-k(ə-)lē
\
adverb
\
adverb
prophylactic
nounMedical Definition of prophylactic (Entry 2 of 2)
: something (as a medicinal preparation) that is prophylactic
especially
: a device and especially a condom for preventing venereal infection or conception