unbeknownst
Adjective:
- Occurring or existing without the knowledge of a specified person or persons: Used to describe a fact, situation, or event that is not known by someone. It is almost always followed by the preposition 'to'.
Adverb:
- Without someone's knowledge: Used to modify a clause, indicating that an action happened or a situation existed while a person was unaware. It is typically used in the phrase "unbeknownst to [someone]".
Adjective:
- A whole series of events, unbeknownst to the public, had led to this decision.
- He had a second family, unbeknownst to his wife.
Adverb:
- Unbeknownst to the manager, the team had already solved the problem.
- She had submitted the application, unbeknownst to her colleagues.
"Unbeknownst" vs. "Unknown": While both imply a lack of knowledge, "unbeknownst" specifically highlights that the lack of knowledge belongs to a particular person or group mentioned after 'to'. "Unknown" is more general.
- The cause of the noise remained unknown. (General lack of knowledge)
- The cause of the noise was unbeknownst to the residents. (Specific lack of knowledge belonging to the residents)
Formal Register: "Unbeknownst" is considered more formal or literary. In everyday speech, phrases like "without [someone's] knowledge" or "unknown to [someone]" are more common.
Unbeknown (adj): An older, less common variant with the same meaning as the adjective form of "unbeknownst".
- Unbeknown to him, his fortune was dwindling.
Unknown (adj): Not known or identified. A more general synonym.
- Unaware (adj): Having no knowledge of a situation or fact.
- Without the knowledge of
- Unknown to
- Unawares to (less common)
Grammatical Structure: The word is almost exclusively used in the construction "unbeknownst to [person/group]". It is incorrect to use it without this prepositional phrase.
- Correct: Unbeknownst to me, he left.
- Incorrect: The information was unbeknownst.
Position in a Sentence: The phrase "unbeknownst to..." often appears at the beginning of a sentence, set off by a comma, or later in the sentence as a parenthetical element.
- Unbeknownst to the captain, a storm was approaching.
- The deal was signed, unbeknownst to the board of directors.
- (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
- without someone's knowledge
- unbeknownst to me, she made all the arrangements