Run after and Up-to-date

Up-to-date and run after are semantically related. In some cases you can use "Up-to-date" instead an adjective "Run after".

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

Run after and up-to-date are semantically related. Sometimes you can use "Run after" instead an adjective phrase "Up-to-date".