Unbeknown
[ʌnbɪ'nəʊn] or [,ʌnbɪ'non]
Definition
(adj.) (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' .
(adv.) without someone's knowledge; 'unbeknownst to me, she made all the arrangements'.
Typist: Ralph--From WordNet
Definition
(a.) Not known; unknown.
Edited by Leah
Definition
adj. (prov.) unknown.—Also Unbeknownst′.
Editor: Ricky