preventative

1 of 2

adjective

pre·​ven·​ta·​tive pri-ˈven-tə-tiv How to pronounce preventative (audio)
: devoted to or concerned with preventing something from happening : preventive entry 1
The best preventative medicine that you can give to your plants is to mulch them.Ann Whynman
Los Angeles County promised to revamp its system, gradually reducing the use of expensive inpatient hospitals through more preventative care at outpatient clinics.Jonathan Cohn

preventative

2 of 2

noun

plural preventatives
: something that serves to prevent something from occurring : preventive entry 2
We've got the live vaccinia virus vaccine as a preventative for smallpox …D. A. Henderson et al.
Green onions are a mosquito preventative.Garrison Keillor

Examples of preventative in a Sentence

Adjective the department in charge of taking preventative measures against international terrorism
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
After all, they’re often marketed as a solution for swelling, soreness, and poor circulation—as well as a preventative measure for blood clots and visible varicose and spider veins. Sara Coughlin, SELF, 6 Nov. 2024 However, until then, there is one step that users concerned about losing access to Gmail can take as a preventative measure: don’t use Beta software. Davey Winder, Forbes, 5 Nov. 2024
Noun
The solution isn’t a complete ban on the use of drugs in agriculture, but reducing infection through proper animal husbandry and, as is the case with humans, reserving antibiotics for the treatment of sick animals rather than deploying them widely as a preventative. Jeremy Coller, Forbes, 6 Sep. 2024 For years, the United States has been developing preventatives and treatments for Ebola, which would both provide defense if Ebola were used in warfare and reduce the spread of an outbreak of the disease. Jessica Hatcher, Foreign Affairs, 28 Apr. 2014 See all Example Sentences for preventative 

Word History

First Known Use

Adjective

1655, in the meaning defined above

Noun

1651, in the meaning defined above

Time Traveler
The first known use of preventative was in 1651

Dictionary Entries Near preventative

Cite this Entry

“Preventative.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preventative. Accessed 28 Nov. 2024.

Kids Definition

preventative

adjective or noun
pre·​ven·​ta·​tive pri-ˈvent-ət-iv How to pronounce preventative (audio)

Medical Definition

preventative

adjective or noun
pre·​ven·​ta·​tive pri-ˈvent-ət-iv How to pronounce preventative (audio)

More from Merriam-Webster on preventative

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!