prevention

noun

pre·​ven·​tion pri-ˈven(t)-shən 

: the act of preventing or hindering

Synonyms of prevention

• avoidance
• prohibition

Examples of prevention in a Sentence

Exercise and diet play a role in the prevention of heart disease.

good crowd control is crucial to the prevention of riots

Recent Examples on the Web

Earlier this year, its clergy and staff underwent active shooter prevention and preparedness training, according to a post on Temple Israel's Facebook page. —Arkansas Online, 14 Mar. 2026

Strictly Necessary Cookies Always Active These Cookies and SDKs are required for Service functionality, including security and fraud prevention, and to enable any purchasing capabilities. —Joe Prince-Wright, NBC news, 13 Mar. 2026

Earlier this year, its clergy and staff underwent active-shooter prevention and preparedness training, according to a post on Temple Israel’s Facebook page. —Corey Williams, Los Angeles Times, 13 Mar. 2026

Vitamin D is critical for immune defense, osteoporosis prevention, heart health, and more. —Sarah Garone, Health, 13 Mar. 2026

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing prevention

• an ounce of prevention is worth a pound of cure
• prevention is better than cure

Rhymes for prevention

• attention
• contention
• convention
• declension
• detention
• dimension
• dissension
• distension
• extension
• intension
• invention
• laurentian

Kids Definition

prevention

noun

pre·​ven·​tion pri-ˈven-chən 

: the act or practice of preventing something

the prevention of fires