This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Unbeknown.

ad. Without the knowledge of a specified party. Used with to: Our cousin had been ill for years, unbeknownst to the family.

ad. without the knowledge of

Same as unbeknown.

adj. (usually used with `to') occurring or existing without the knowledge of

ad. without someone's knowledge

"McCain unbeknownst to Warner has indeed picked up a hot charcoal ember with his tongs, and purple with rage waits for Warner to turn back."

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