conflict of interest noun2 •A situation in which an individual or legal entity in a position of trust (such as an attorney, investment advisor, broker, politician, executive, director, scientist or physician) has competing professional or personal interests.Rishi Sunak is facing questions over a potential conflict of interest after it emerged a childcare firm part owned by his wife is to benefit from major changes in the budget. — 2023 •The competing interest itself. formsconflicts of interest