risk factor

American  

noun

1. a condition, behavior, or other factor that increases risk.

   Smoking is a major risk factor for cancer;

   depression as a risk factor in suicide.

---

risk factor British  

noun

1. med a factor, such as a habit or an environmental condition, that predisposes an individual to develop a particular disease

---

Etymology

Origin of risk factor

First recorded in 1945–50

Example Sentences

"Recognising loot boxes as a risk factor in age ratings is an important step towards reflecting the realities of modern game design, helping to provide parents with clearer signals about potential harms," she said.

From BBC • Mar. 13, 2026

A hawkish reaction from central banks is another risk factor.

From The Wall Street Journal • Mar. 9, 2026

Another risk factor that has gone largely unnoticed is the continuing rally seen in U.S.

From Barron's • Feb. 26, 2026

Scientists have long recognized air pollution as a risk factor for Alzheimer's, as well as for chronic conditions such as hypertension, stroke, and depression.

From Science Daily • Feb. 20, 2026

“Not you. He was investigating Ethan and the community project at the mission. Making sure the risk factor was minimal.”

From "The Adoration of Jenna Fox" by Mary E. Pearson