unknown

adj. unfamiliar, strange, new, anonymous, mysterious

n. someone or something which is not known; someone or something that is unfamiliar; mathematical factor which is not known

Unknown may refer to:DefinitionsSee also: A lack of knowledgeThe variables to be solved for in a mathematical equation
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Noun
1. an unknown and unexplored region; "they came like angels out the unknown"
(synonym) unknown region, terra incognita
(hypernym) region
2. anyone who does not belong in the environment in which they are found
(synonym) stranger, alien
(hypernym) intruder, interloper, trespasser
(hyponym) foreigner, outsider
3. a variable whose values are solutions of an equation
(synonym) unknown quantity
(hypernym) variable
Adjective
1. not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source"
(antonym) known
(similar) chartless, uncharted, unmapped
(see-also) inglorious, dishonorable
2. being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor"
(synonym) nameless, unidentified, unnamed
(similar) anonymous, anon.
3. not known to exist; "things obscurely felt surged up from unsuspected depths in her"- Edith Wharton
(similar) unsuspected
4. not famous or acclaimed; "an obscure family"; "unsung heroes of the war"
(synonym) obscure, unsung
(similar) inglorious, dishonorable
5. not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house"
(synonym) strange
(similar) unfamiliar

(a.)
Not known; not apprehended.
  

To dream of meeting unknown persons, foretells change for good, or bad as the person is good looking, or ugly, or deformed.

To feel that you are unknown, denotes that strange things will cast a shadow of ill luck over you.

See Mystery.