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Definitions

harmful

[hahrm-fuhl] / ˈhɑrm fəl /


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.

There were also die-offs of seals, sea lions and marine birds, Leising said, probably from a combination of a lack of food and harmful algal blooms, and less food out there for baleen whales.

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

The U.K. plans to ban children under the age of 16 from major social-media platforms including TikTok, Snapchat and Instagram, ramping up pressure on big tech companies to shield younger users from harmful online content.

From The Wall Street Journal • 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

This kills any harmful bacteria and after a few weeks the rich, cakey compost is ready to be spread on the fields.

From "The Omnivore's Dilemma" by Michael Pollan




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