Synonyms:
unbeknown(p), unbeknownst(p)
Meaning: (usually used with `to') occurring or existing without the knowledge of; "a crisis unbeknown to me"; "she had been ill for months, unbeknownst to the family"
r
meaning of the word
Synonyms:
unbeknown, unbeknownst
Meaning: without someone's knowledge; "unbeknownst to me, she made all the arrangements"