Incumbent/ɪnˈkʌmbənt/ Definition 1 of 3Pro Tip 1/3Political Usage Often used in a political context to describe someone with an official position. The incumbent mayor has introduced new policies. Pro Tip 2/3Not Just Politics While common in politics, it applies to any appointed or elected role. She is the incumbent editor of the magazine. Pro Tip 3/3Before vs. After Refers to the present holder of a position, not necessarily after leaving it. Once retired, he will no longer be the incumbent.