English Lexicon

Unknown

/ʌnˈnoʊn/
adjectivenounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Not known or familiar.

    "The origins of the artifact remain unknown despite extensive research."
As noun
  1. 1

    A person or thing that is not known or familiar.

    "The unknown can often be a source of fear for many individuals."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The word 'unknown' is derived from the Old English 'uncnawan', which means 'not to know'. It combines the prefix 'un-', meaning 'not', with 'known', the past participle of 'know'. The term has evolved over centuries to denote something that is not recognized or identified.

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