Adjective
DDT has been proven to be extremely harmful to the environment.
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Adjective
Research has shown that raw cheese is not, in fact, resistant to pathogens; while aging can mitigate some risk, harmful bacteria can still survive the usual 60-day maturation process.—CNN Money, 14 June 2026 OpenAI is also facing a number of wrongful death lawsuits, which allege that ChatGPT drove users to experience harmful delusions and, in some cases, to commit suicide.—Ashley Capoot, CNBC, 13 June 2026 Unlike other hard metals, tungsten is largely nontoxic, but the byproducts from mining it—called tailings—contain other harmful metals including arsenic, copper, zinc and lead and can leach into the environment.—Ari Sen, Scientific American, 13 June 2026 The proprietary filtration system is specifically engineered to remove impurities, chlorine, harmful chemicals and heavy metals from your water.—ABC News, 13 June 2026 See All Example Sentences for harmful