IS UNKNOWN
Definition: Not known or familiar; not within the range of one's knowledge or experience.
Synonyms: Uncertain, Ambiguous, Undetermined, Mysterious, Unidentified
Usage Examples in Sentences
#1
The person behind the mysterious phone call is unknown.
#2
The mysterious caller's identity is unknown to the detective.
#3
The authorship of the anonymous letter is unknown to the recipients.
#4
The secret ingredient in the chef's signature dish is unknown to the diners.
#5
The outcome of the negotiations is unknown until both parties reach an agreement.
#6
The true nature of the paranormal phenomenon is still unknown to scientists.
#7
The provenance of the ancient manuscript, with its cryptic symbols and faded text, is unknown to scholars.
#8
The etymology of this archaic word, found only in medieval texts, is unknown to modern linguists.
#9
The enigmatic artist, who created the mesmerizing mural on the city walls, is unknown to the local community.
#10
The origin and purpose of the ancient artifact, discovered in a remote archaeological site, is unknown to historians.
#11
The complex algorithm used by this cutting-edge artificial intelligence is unknown to most computer scientists.
#12
The elusive mastermind behind the cyber-espionage campaign is unknown to intelligence agencies worldwide.
#13
Unknown to us is the complexity of this situation.
#14
This mystery is unknown to even the most seasoned detectives.
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