ଅର୍ଥ : Without someone's knowledge.
ଉଦାହରଣ :
Unbeknownst to me, she made all the arrangements.
ସମକକ୍ଷ : unbeknownst
ଅର୍ଥ : (usually used with `to') occurring or existing without the knowledge of.
ଉଦାହରଣ :
A crisis unbeknown to me.
She had been ill for months, unbeknownst to the family.
ସମକକ୍ଷ : unbeknownst