* General: "The town's architecture was undistinguished, with rows of identical brick houses."
* People: "He led an undistinguished life, working as a clerk in a small town."
* Achievements: "The team had an undistinguished season, losing more games than they won."
* Appearance: "The restaurant's interior was undistinguished, with plain walls and basic furniture."
* Comparison: "Compared to the vibrant city, the countryside was undistinguished and quiet."
* Contrast: "Despite his undistinguished appearance, the man was a brilliant scientist."
* Negative connotation: "The company's undistinguished performance led to its eventual closure."
Remember: "Undistinguished" often implies lack of notable features, qualities, or achievements. It's usually used in a negative or neutral sense.