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The meaning of UNKNOWN is not known or not well-known; also : having an unknown value. How to use unknown in a sentence.
adjective. not known, understood, or recognized. not established, identified, or discovered. an unknown island. not famous; undistinguished. some unknown artist. unknown quantity. a person or thing whose action, effect, etc, is unknown or unpredictable.
a person, especially a performer or sports player, who is not famous: For her latest film she deliberately chose a cast of unknowns. [ C ] mainly US. something that cannot be guessed at or calculated because so little is known about it: It's the big unknowns that make insurance companies uneasy. SMART Vocabulary: related words and phrases.
Synonyms for UNKNOWN: unfamiliar, unbeknown, unbeknownst, unrecognized, unsuspected, unaware, unperceived, unmindful; Antonyms of UNKNOWN: familiar, old, hackneyed, tired, traditional, conventional, established, tried
Find 52 different ways to say UNKNOWN, along with antonyms, related words, and example sentences at Thesaurus.com.
If something is unknown, it's not familiar understood, like the unknown path through the woods you've never explored or your brother's unknown reasons for staying late after school.
unknown. noun. us / ʌnˈnoʊn / uk / ʌnˈnəʊn /. C1 [ S ] what is not familiar or known: Racism is in some ways just a fear of the unknown. [ C ] a person, especially a performer or sports player, who is not famous: For her latest film she deliberately chose a cast of unknowns.