ଅର୍ଥ : The highest or uppermost side of anything.
ଉଦାହରଣ :
Put your books on top of the desk.
Only the top side of the box was painted.
ସମକକ୍ଷ : top, top side, upper side
Upside ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Upside ka matlab kya hota hai?