Meaning : For the most part.
Example :
He is mainly interested in butterflies.
Synonyms : chiefly, in the main, mainly, principally
Meaning : Of primary import.
Example :
This is primarily a question of economics.
It was in the first place a local matter.
Synonyms : in the first place
Primarily ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Primarily ka matlab kya hota hai?