harmful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In past strong El Niños, scientists have observed decreased plankton — an important food source for marine animals — and an increased probability of harmful algal blooms.

From Los Angeles Times • Jun. 15, 2026

The helpline doesn’t offer therapy, but instead directs callers to professionals who are trained in treating harmful sexual behaviors.

From Slate • Jun. 15, 2026

By analyzing 2,811 people with ataxia, hereditary spastic paraplegia, and dystonia, scientists identified harmful variants in a gene called CD99L2 as the cause of X-linked spastic ataxia.

From Science Daily • Jun. 13, 2026

Insurers have long said that their preapproval requirements aim to ensure that patients don’t get unnecessary or harmful care.

From The Wall Street Journal • Jun. 11, 2026

“Many more hosts march in the valley with sharp spears—oh, many more. Gurgi watches so quietly and cleverly, he does not ask them for help. No, they would only give harmful hurtings.”

From "The Book of Three" by Lloyd Alexander