Some synonyms for the adjective unknown are X, anonymous, hidden, little known, nameless, secret, unascertained, undiscovered, unexplained, unexplored, unfamiliar, unidentified, unnamed, unrecognized, unrevealed, untold.
Enigma? ~Drewcifer.
It would depend on the context but words you could use might be: Foreigner. Stranger. Outcast. Exile. Unknown.
The noun 'stranger' is a singular, common, concrete noun; a word for someone you do not know, or someone unknown in a place or a community; a word for a person.The word 'stranger' is also an adjective, the comparative form of the adjective 'strange'.
unknown author or writer, unknown creator, anonymous person
Infinity
inconspicuous, obscure, unimportant, unknown, unremarkable
It would depend on the context but words you could use might be: Foreigner. Stranger. Outcast. Exile. Unknown.
The noun 'stranger' is a singular, common, concrete noun; a word for someone you do not know, or someone unknown in a place or a community; a word for a person.The word 'stranger' is also an adjective, the comparative form of the adjective 'strange'.
a stranger or person, somebody
Friend or stranger.
A puzzle or an unknown circumstance. A situation that has not yet been solved with an explanation.a mystery is like a puzzle and a secret
Foreigner, outsider, stranger
"Unknown" as an adjective and "stranger" as a noun are English equivalents of the Italian word sconosciuto.Specifically, the Italian word may be the masculine form of an adjective that means "unfamiliar, unknown." Or it may be a masculine noun that means "stranger." Either way, the pronunciation is the same: "SKOH-noh-SHOO-toh."
Unknown or unacknowledged.
Unknown or mysterious.
unknown author or writer, unknown creator, anonymous person
Mystery
confidence, privacy, mystery