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.
What’s being measured here is the exposure to a single risk factor. Doug Ashburn, Encyclopedia Britannica, 2 Apr. 2026 Even so, the study adds to the evidence that vitamin D levels might be one potential risk factor for dementia that people can control, McGrath says. Emily Kay Votruba, EverydayHealth.com, 1 Apr. 2026 Key Takeaways Replacing salt with herbs can lower blood pressure by reducing sodium intake, which is a major risk factor for hypertension. Md Published, Verywell Health, 31 Mar. 2026 The biological plausibility of this being a risk factor for eventually developing MDS is absolutely there, and what remained was getting an adequate registry for demonstrating this. Angus Chen, STAT, 27 Mar. 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 4 Apr. 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

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