preventive

1 of 2

adjective

Synonyms of preventivenext
: devoted to or concerned with prevention : precautionary
preventive steps against soil erosion
: such as
a
: designed or serving to prevent the occurrence of disease
preventive medical care
b
: undertaken to forestall anticipated hostile action
a preventive coup
preventively adverb
preventiveness noun

preventive

2 of 2

noun

: something that prevents
especially : something used to prevent disease

Synonyms of preventive

Examples of preventive in a Sentence

Adjective Farmers are covering their crops as a preventive measure against frost. We'll take whatever preventive action is necessary. Noun if people took the simple preventive of frequently washing their hands, the spread of germs could be greatly reduced
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Security leaders should map their highest-value assets, identify the attack paths that could cause the greatest damage and determine which preventive controls can be automated safely. — Chris Dimitriadis, Forbes.com, 16 Sep. 2026 Its first Health Zone operated Saturday and Sunday, offering free preventive health services to festivalgoers, including blood pressure and blood sugar screenings. — J.m. Banks, Kansas City Star, 14 Sep. 2026
Noun
In addition to making anti-vaccine comments, Kennedy also downplayed pediatric deaths related to measles and touted false cures and preventives, such as the use of vitamin A. — Mary Walrath-Holdridge, USA Today, 8 June 2026 Padlocks, sickles and other objects made of iron, a metal said to possess anti-demonic powers, were stashed in the grave as preventives. — Franz Lidz, New York Times, 5 Sep. 2023 See All Example Sentences for preventive

Word History

First Known Use

Adjective

circa 1626, in the meaning defined above

Noun

circa 1639, in the meaning defined above

Time Traveler
The first known use of preventive was circa 1626

Browse Nearby Words

Cite this Entry

“Preventive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preventive. Accessed 24 Sep. 2026.

Kids Definition

preventive

1 of 2 noun
: something that prevents
especially : something used to prevent disease

preventive

2 of 2 adjective
: concerned with or used for prevention
preventive measures
preventive medicine

Medical Definition

preventive

1 of 2 noun
: something (as a drug) used to prevent disease

preventive

2 of 2 adjective
: devoted to or concerned with the prevention of disease
preventive drug therapy
preventive psychiatry
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