Use this term in a sentence
When a government official has a personal monetary interest in a matter up for vote, it is best for the official to abstain from voting to avoid the appearance of a conflict of interest.
Alice was found to have a conflict of interest and forbidden to act as judge in her favorite uncle's trial.
I witnessed nepotism at its finest at the last company I worked for. When it was time for a raise there was a conflict of interest between me and the company family.