Synonyms of 'unknown'
a perilous expedition, through unknown terrain
The proposed target of the bomb is unknown.
Unknown thieves had forced their way into the apartment.
He was an unknown writer.
The hymn was written by an obscure Greek composer.
a minor poet and wannabe actor
He came from a fairly humble, poor background.
In 1949 it was still a small, insignificant city.
It was an unimportant job, and paid very little.
an unheard-of comic waiting for his big break to come along
a reminder of how inconsequential their lives were
5 unheard of
A hundred years ago coronary heart disease was virtually unknown.
Such a move is unprecedented.
She grew many plants that were unfamiliar to me.
I had been in my new job only a few days.
Staging your own murder mystery party is a novel way to entertain a group of friends.
I ended up alone in a strange city.
his striking and exotic appearance
Uncover hidden meanings and discover special messages.
the dark recesses of the mind
It has a secret compartment hidden behind the magical mirror.
He died in mysterious circumstances.
He was filmed with a concealed camera.
the untold story of children's suffering
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You use alien to describe something that seems strange and perhaps frightening, because it is not part of your normal experience.
His work offers an insight into an alien culture.
If you remain anonymous when you do something, you do not let people know that you were the person who did it.
You can remain anonymous if you wish.
Thesaurus for unknown from the Collins English Thesaurus
If something is unknown to you, you have no knowledge of it.