[adjective] being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor" Synonyms: nameless, unidentified, unnamed
[adjective] not known to exist; "things obscurely felt surged up from unsuspected depths in her"- Edith Wharton
[adjective] not famous or acclaimed; "an obscure family"; "unsung heroes of the war" Synonyms: obscure, unsung
[adjective] not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house" Synonyms: strange