Meaning : An unknown and unexplored region.
Example :
They came like angels out the unknown.
Synonyms : terra incognita, unknown region
Meaning : Anyone who does not belong in the environment in which they are found.
A person with whom you are acquainted.
I have trouble remembering the names of all my acquaintances.Meaning : Not known.
Example :
An unknown amount.
An unknown island.
An unknown writer.
An unknown source.
Apprehended with certainty.
A known quantity.Meaning : Being or having an unknown or unnamed source.
Example :
A poem by an unknown author.
Corporations responsible to nameless owners.
An unnamed donor.
Synonyms : nameless, unidentified, unnamed
Meaning : Not known to exist.
Example :
Things obscurely felt surged up from unknown depths.
Meaning : Not known before.
Example :
Used many strange words.
Saw many strange faces in the crowd.
Don't let anyone unknown into the house.
Synonyms : strange