Tenure/ˈtenjər/ Definition 1 of 3Pro Tip 1/3Professional Duration Refers to how long someone has worked in a particular role or job. She celebrated her 20-year tenure with the company. Pro Tip 2/3Leadership Context Often used to describe the time someone is in a leadership or official position. His tenure as mayor saw significant urban development. Pro Tip 3/3Measurement of Service Can be used to measure the impact or achievements during one's service. The teacher's tenure was marked by improved student test scores.