English - Etymology

From un- +‎ known, past participle of know. Compare Old English ungecnawen.

English - Pronunciation

• (UK) IPA^(key): /ʌnˈnəʊn/
• (US) enPR: ŭn-nōnʹ, IPA^(key): /ʌnˈnoʊn/

English - Adjective

unknown (not comparable)

1. Not known; unidentified; not well known.

Synonyms

Translations

English - Noun

unknown (plural unknowns)

1. (algebra) A variable (usually x, y or z) whose value is to be found.
2. Any fact or place about which nothing is known (as in the phrase "into the unknown").
3. A person of no identity; a nonentity
   • 1965, Bob Dylan, Like a Rolling Stone

     How does it feel

     To be on your own

     With no direction home

     Like a complete unknown

     Like a rolling stone?

Translations

قافية