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.
Elevated protein levels were also a better predictor of dementia risk in women who had a genetic predisposition for Alzheimer’s than in women without a genetic risk factor. Emily Kay Votruba, EverydayHealth.com, 10 Mar. 2026 Low intake of these fatty acids from seafood has been identified as a leading dietary risk factor for death and disability. Deirdre Bardolf, FOXNews.com, 9 Mar. 2026 Of all Early On evaluation referrals, 60% involve a communication delay, which is a risk factor for language failure, said Hamp, and hurting future reading readiness. Beki San Martin, Freep.com, 2 Mar. 2026 Ultimately, the prosecutors pulled back on their request to reduce Epstein’s status and New York judges refused to lower Epstein’s risk factor. Julie K. Brown, Miami Herald, 26 Feb. 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

Browse Nearby Words

Cite this Entry

“Risk factor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/risk%20factor. Accessed 14 Mar. 2026.

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

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