From Longman Business Dictionaryunsystematic riskˌunsystematic ˈrisk [countable, uncountable]1FINANCEa risk caused by something that affects only one or a few investments, not the whole of the marketSYNspecific riskUnsystematic risk can be avoided by holding a well-diversified portfolio (=variety of investments).2ECONOMICS a risk that affects just one company or industry → risk