ଅର୍ଥ : For the most part.
ଉଦାହରଣ :
He is mainly interested in butterflies.
ସମକକ୍ଷ : chiefly, in the main, mainly, primarily
Principally ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Principally ka matlab kya hota hai?