Examples of harmful in a Sentence
DDT has been proven to be extremely harmful to the environment.
Recent Examples on the Web
If surrounding trees are contributing to harmful debris buildup in your AC unit, pruning overhanging branches or removing the trees might be necessary to protect the unit.
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Kamron Sanders, Better Homes & Gardens, 6 Jan. 2026
Red Dyes People sometimes add red dye to hummingbird nectar because the color is known to attract hummingbirds, but this can be harmful to birds.
—Madeline Buiano, Martha Stewart, 6 Jan. 2026
Extreme or highly restrictive diets often cause nutrient deficiencies, metabolic slowdown, and other harmful side effects.
—Jillian Kubala, Health, 6 Jan. 2026
Betting on Capital, Losing Labor If Lindsay’s patronage and coalition policies were harmful for progressivism in New York, his economic policies were disastrous.
—Daniel Wortel-London, Washington Post, 5 Jan. 2026
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Kamron Sanders, Better Homes & Gardens, 6 Jan. 2026
Red Dyes People sometimes add red dye to hummingbird nectar because the color is known to attract hummingbirds, but this can be harmful to birds.
—Madeline Buiano, Martha Stewart, 6 Jan. 2026
Extreme or highly restrictive diets often cause nutrient deficiencies, metabolic slowdown, and other harmful side effects.
—Jillian Kubala, Health, 6 Jan. 2026
Betting on Capital, Losing Labor If Lindsay’s patronage and coalition policies were harmful for progressivism in New York, his economic policies were disastrous.
—Daniel Wortel-London, Washington Post, 5 Jan. 2026
See All Example Sentences for harmful
Cite this Entry
“Harmful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/harmful. Accessed 8 Jan. 2026.
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