On top of things and Up-to-date

Up-to-date and on top of things are semantically related. In some cases you can use "Up-to-date" instead an adjective phrase "On top of things".

Up-to-date adjective - Being or involving the latest methods, concepts, information, or styles.

On top of things and up-to-date are semantically related. You can use "On top of things" instead an adjective phrase "Up-to-date".