preventative

1 of 2

adjective

Synonyms of preventativenext
: 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

Synonyms of preventative

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
The problem isn’t a shortage of data, but rather the reality that the preventative measure is taken only after the organization has incurred substantial losses. Bankim Chandra, Forbes.com, 10 Aug. 2026 Worthington and Oborski see the program as both a formidable response during an active incident and a preventative measure that deters potential school shooters from attacking in the first place. Amanda Rosa, Miami Herald, 5 Aug. 2026
Noun
The bottom line Cleaning your pet’s belongings, grooming them and refilling their preventatives will help keep them safe during the summer. Amy Deyoung, USA Today, 9 June 2026 Lastly, the rise of preventative and longevity treatments with GLP-1 and peptides. Kanika Talwar, Footwear News, 22 May 2026 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

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Cite this Entry

“Preventative.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preventative. Accessed 16 Aug. 2026.

Kids Definition

preventative

adjective or noun

Medical Definition

preventative

adjective or noun

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