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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.
Advertisement The greatest risk factor for any type of stroke is hypertension, also known as high blood pressure, Willey says. Dominique Mosbergen, Time, 25 Nov. 2025 May Lower High Cholesterol High cholesterol is a risk factor for heart disease. Jennifer Lefton, Verywell Health, 24 Nov. 2025 While obesity is a major risk factor, the condition doesn’t only affect people who appear overweight. Katia Hetter, CNN Money, 21 Nov. 2025 Smoking is the leading risk factor for both COPD and lung cancer, and research has found that women may have a higher sensitivity to tobacco smoke. Helen Carefoot, Flow Space, 20 Nov. 2025 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 27 Nov. 2025.

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

Last Updated: - Updated example sentences
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