Similar words: unbeknownst, be known for, be known to, foreknowledge, unbend, sunbelt, sunbeam, unbeaten. Meaning: [‚ʌnbɪ'nəʊn(st)] 
adj. (usually used with `to') occurring or existing without the knowledge of. adv. without someone's knowledge.
adj. (usually used with `to') occurring or existing without the knowledge of. adv. without someone's knowledge. 
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1. Unbeknown to him, his wife had been trying to phone him all morning.
2. Unbeknown to me, he'd gone and rented out the apartment in my absence.
3. Unbeknown to her they had organized a surprise birthday party.
4. Unbeknown to me, Denise had her own plan.
5. You've crept back unbeknown to me.
6. But unbeknown to the public, he already was involved in covering up the Watergate scandal.
7. But unbeknown to Ivor, Stroud had no intention of parting with the money.
8. Perhaps unbeknown to you, the first lady has been churning out a weekly column since July 30 of last year.
9. Unbeknown to you the real motive is to question you in order to undermine your position.
10. Thus unbeknown to the competitors, the last valid part of the competition was removed four days before the submission date.
11. Unbeknown to her they had organized a surprise party.
11. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
12. He went there unbeknown to me.
13. He did it unbeknown to us.
14. He did it unbeknown to me.
15. His past is ancient and unbeknown just like his true power.
16. Unbeknown to his parents, he had not been to school for a week.
17. I am appalled that children can mount up debts unbeknown to their parents.
18. Under the old system many women amass secret savings unbeknown to their husbands.
19. The reason Qunny joined Axe and Spear is still unbeknown, some people guess it's because he's interested in the treasure of Elysium , too.
More similar words: unbeknownst, be known for, be known to, foreknowledge, unbend, sunbelt, sunbeam, unbeaten, unbelief, unbecoming, unbending, unbearable, unbeatable, unbearably, unbelievable, unbelievably, be keen on, meekness, weeknight, close-knit, queen bee, toynbee, fan belt, downbeat, moonbeam, lie in bed, brown bear, unbar, run by, green bean.