Meaning : Slow down the progress of. Hinder.
Example :
His late start set him back.
Meaning : Cost a certain amount.
Example :
My daughter's wedding set me back $20,000.
Synonyms : knock back, put back
Set back ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Set back ka matlab kya hota hai?