1. unbeknownst - Adverb
2. unbeknownst - Adjective Satellite
(usually used with `to') occurring or existing without the knowledge of
without someone's knowledge
Source: WordNeta crisis unbeknown to me Source: Internet
she had been ill for months, unbeknownst to the family Source: Internet
unbeknownst to me, she made all the arrangements Source: Internet
Another situation unbeknownst to Brad involves the beloved Buttons the Clown, who is never seen without his makeup. Source: Internet
He summons Merlin the Magician (Gustaf Skarsgård) to help end the hunger, but the wizard is a drunk, a debtor and, unbeknownst to Uther, seemingly has lost his magic. Source: Internet
Cinderella throws the bean aside, but trades shoes with the Baker's Wife and flees, while unbeknownst to anyone a second beanstalk starts to grow. Source: Internet