'catch up with' definitions:

Definition of 'catch up with'

(from WordNet)
verb
Catch up with and possibly overtake; "The Rolls Royce caught us near the exit ramp" [syn: overtake, catch, catch up with]
verb
Make up work that was missed due to absence at a later point; "I have to make up a French exam"; "Can I catch up with the material or is it too late?" [syn: make up, catch up with]