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.

He’s making a point about what kind of exercise is harmful and what kind is helpful, particularly for people in my age group.

From Los Angeles Times

He warned that sunbeds deliver harmful UV radiation that damages DNA, accelerates skin ageing and increases cancer risk, with no safe level of exposure.

From BBC

Earlier efforts to rejuvenate the immune system have often focused on sending T cell growth factors through the bloodstream, but that approach can cause harmful side effects.

From Science Daily

These plumes lift potentially harmful chemicals, aerosol pollutants, and water vapor hundreds of feet into the air -- all factors that can enhance warming.

From Science Daily

County Fire Department confirmed Saturday the leak posed no immediate threat to the city, adding that the odor from the gas was not harmful.

From Los Angeles Times