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.
College attendance is considered its own risk factor for infection, and many states—including Florida—require the meningococcal vaccine for students living on campus. Jamie Ducharme, The Atlantic, 17 Sep. 2025 For example, the CDC report indicates that the loss of a relationship is a significant risk factor for suicide. Eric Wood, Forbes.com, 16 Sep. 2025 Another major risk factor is easy access to guns, mirroring what Milwaukee officials have long said. Cleo Krejci, jsonline.com, 16 Sep. 2025 Researchers say that specializing early — defined as training year-round before the age of 12 — can increase the risk factor for injury and hinder skill development. Rustin Dodd, New York Times, 11 Sep. 2025 See All Example Sentences for risk factor

Word History

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of risk factor was in 1949

Browse Nearby Words

Cite this Entry

“Risk factor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/risk%20factor. Accessed 23 Sep. 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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