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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.

The memo now tasks those offices with conducting toxicity assessments and brings an end to the program that has powered the EPA’s efforts to protect people from harmful chemicals.

From Salon • May 5, 2026

Charlotte said a ban "would help" protect children from harmful content similar to what led to Bella getting hurt.

From BBC • May 4, 2026

Countercompounds that soften harmful side effects of major drugs.

From The Wall Street Journal • May 4, 2026

In a letter to CEO Sundar Pichai, those workers said they wanted to avoid AI being used “in inhumane or extremely harmful ways,” such as for lethal weapons or mass surveillance.

From MarketWatch • May 1, 2026

Some bacteria are only harmful to us when they make exotoxins, and they only do this when they are, in a sense, diseased themselves.

From "The Lives of a Cell" by Lewis Thomas




Vocabulary lists containing harmful