Tardy (adjective) - slow or late 1. Due to party last night, the coll ...definitions (54)in DBuzz • 4 years ago Tardy (adjective) - slow or late Due to party last night, the college student was tardy to his final exam. I will not accept you being tardy, unless you can explain why you showed up late. Posted via D.Buzz #learnenglish #englishwords #englishlesson #englishonline #definitions #definition