Examples of harmful in a Sentence
DDT has been proven to be extremely harmful to the environment.
Recent Examples of harmful from the Web
In light of these concerns, risk assessments may end up simply legitimizing new types of harmful practices.
Residents have long complained that Hickman’s emits harmful gases that affect their quality of life, from the sickening stench to flies, feathers and other particulates in the air that impact breathing.
Because the stakes are so high, fixating on impeachment reinforces our most harmful tribal tendencies.
The silk doesn’t distinguish harmful pathogens (like E. coli) from benign ones, but, as Kim points out, neither does hydrogen peroxide.
Most plants have been grown from seeds collected within 100 miles of DuPage County and are not treated with insecticides harmful to bees and other pollinators.
Juarez authorities declared an environmental emergency due to harmful particulate matter in the smoke, and people in its path were advised to stay inside, shut windows and doors and not use air conditioners under any circumstances.
The viruses are downloaded to the hard drive when the computer user opens a malicious email or visits a harmful web site.
Fish play critical roles on coral reefs, grazing away harmful algae and allowing coral to grow.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'harmful.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
HARMFUL Defined for English Language Learners
Definition of harmful for English Language Learners
: causing or capable of causing damage or harm
HARMFUL Defined for Kids
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