[catch up] vt (14c) 1 a: to pick up often abruptly "the thief caught the purse up and ran" b: ensnare, entangle "education has been caught up in a stultifying mythology --N. M. Pusey" c: enthrall "the ... public was caught up in the car's magic --D. A. Jedlicka"
2: to provide with the latest information "catch me up on the news" ~ vi 1 a: to travel fast enough to overtake an advance party b: to reach a state of parity or of being able to cope "kids left behind in preschool may never catch up"
2: to bring about arrest for illicit activities "the police caught up with the thieves" 3 a: to complete or compensate for something belatedly "catch up on lost sleep" b: to acquire belated information "catch up on the news"