* "The student was tardy to class again, and the teacher gave him a warning." (This sentence emphasizes the act of being late.)
* "Despite being tardy, the train eventually arrived at the station." (This sentence uses "tardy" to describe a slow or delayed event.)
* "The news of the company's bankruptcy was a tardy confirmation of what many had already suspected." (This sentence uses "tardy" to describe information arriving late.)
Let me know if you want to see more examples!