ଅର୍ଥ : Introducing a different topic.
ଉଦାହରଣ :
Incidentally, I won't go to the party.
ସମକକ୍ଷ : apropos, by the way, incidentally
By the bye ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. By the bye ka matlab kya hota hai?