Adjective unknown has 5 senses
- unknown - not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source"
Antonyms: known, best-known, better-known, celebrated, famed, far-famed, famous, illustrious, notable, noted, renowned, identified, legendary, proverbial, well-known
- nameless, unidentified, unknown, unnamed - being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor"
Antonym: onymous (indirect, via anonymous)
- unknown - not known to exist; "things obscurely felt surged up from unsuspected depths in her"- Edith Wharton
Antonym: suspected (indirect, via unsuspected)
- obscure, unknown, unsung - not famous or acclaimed; "an obscure family"; "unsung heroes of the war"
Antonym: glorious (indirect, via inglorious)
- strange, unknown - not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house"
Antonym: familiar (indirect, via unfamiliar)
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Noun unknown has 3 senses
- unknown, unknown region, terra incognita - an unknown and unexplored region; "they came like angels out the unknown"
--1 is a kind of region
- stranger, alien, unknown - anyone who does not belong in the environment in which they are found
--2 is a kind of intruder, interloper, trespasser
--2 has particulars: foreigner, outsider
- unknown, unknown quantity - a variable whose values are solutions of an equation
--3 is a kind of variable
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