risk factor

noun

: something that increases risk or susceptibility

Examples of risk factor in a Sentence

Age is one of the risk factors for this disease.
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.
Consuming rye bread may reduce chronic inflammation, a risk factor for type 2 diabetes. — Brittany Lubeck, Verywell Health, 22 June 2026 For example, there may be moms who are experiencing loss, which is a risk factor for suicide, because their children are going through their own challenges or leaving home. — Helen Carefoot, Flow Space, 6 July 2026 All had extremely low omega-3 levels and at least one risk factor for dementia, such as obesity, sedentary lifestyle, high blood pressure, or cholesterol. — Michele Laufik, Martha Stewart, 26 June 2026 All had extremely low omega-3 levels and at least one risk factor for dementia, such as obesity, sedentary lifestyle, high blood pressure or cholesterol. — Sandee Lamotte, CNN Money, 18 June 2026 See All Example Sentences for risk factor

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of risk factor was in 1907

Rhymes for risk factor

See All Rhymes for risk factor

Browse Nearby Words

risker
risk factor
riskful
See all Nearby Words

Cite this Entry

“Risk factor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/risk%20factor. Accessed 8 Jul. 2026.

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Kids Definition

risk factor

noun
: something that increases the possibility that something bad will happen
cigarette smoking is a risk factor for lung cancer

Medical Definition

risk factor

noun
: something that increases risk or susceptibility
poorly controlled hypertension is a risk factor for coronary heart disease

More from Merriam-Webster on risk factor

Britannica.com: Encyclopedia article about risk factor

Last Updated: - Updated example sentences
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