Meaning : Reach the point where one should be after a delay.
Example :
I caught up on my homework.
Meaning : Learn belatedly. Find out about something after it happened.
Example :
I'm trying to catch up with the latest developments in molecular biology.
Catch up ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Catch up ka matlab kya hota hai?