English definition of “catch up”
catch up — Phrasal Verb with catch
/kætʃ/ verb (present participle catching, past tense and past participle caught)
B1 to reach the same level or quality as someone or something else: She’s doing extra work to catch up with the rest of the class.
› to learn and discuss the newest facts about something: Let’s go out for lunch – I want to catch up on all your news.
› to reach someone or something that is in front of you by moving faster: We soon caught up with the car in front.