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.
Harmful environments or substances can worsen your response to an exposure.
From The Wall Street Journal • Jan. 19, 2026
Harmful emissions from burning fossil fuel led to 44% of these deaths.
From BBC • Oct. 30, 2025
Harmful algae blooms had sickened marine life in each of the three years prior.
From Los Angeles Times • Sep. 17, 2025
National Office for Harmful Algal Blooms estimated that the United States spends upwards of $50 million annually in costs related to health, fisheries, recreation, tourism and monitoring.
From Salon • Aug. 16, 2025
Harmful results from eating acorns do not seem likely to occur except as they are eaten in considerable quantities.
From Special Report on Diseases of Cattle by United States. Bureau of Animal Industry
Vocabulary lists containing harmful
Earth Day
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Unfavorable
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