The phrase "offending agent" refers to something or someone that causes harm, trouble, or irritation to others. It can be a person, thing, substance, or condition that is responsible for causing unwanted effects or negative outcomes. Full definition
Fortunately, both food intolerance and allergies can be eliminated with a diet free from offending agents. (ohiolabradoodles.com)
Incumbent carriers can not turn their backs on the agent and go direct - to - consumer without the risk of offending their agent networks. (techcrunch.com)
«If makeup is not washed off at night, offending agents like dust and pollution stay in the skin and have ample time to create damaging free radicals. (today.com)