unknown

exploration into unknown territory.

a headache of unknown aetiology

a word of unknown origin

It was unknown country to me.

inventions unknown to antiquity.

There are many unknowns in science.

The cause of autism is unknown.

Motherhood was for her a journey into the unknown.

Our new director is still an unknown quantity.

he's relatively unknown on this side of the pond.

find the unknown in the following equations.

an unknown and untravelled wilderness.

They bowed in homage to the Unknown Soldiers.

Matter is an unknown somewhat .

cast an unknown in the starring role.

a train wreck with an unknown number of casualties.

You must eliminate an unknown quantity.

The championship was won by a complete unknown.

We were driving to an unknown place, on an unknown errand.

The impact on health is as yet unknown.

But actually, still to have had so many unknowns.

Chris Lewicki has faced these unknowns.

You know, it isn't the unknown.

" There are too many unknowns to make a reasonable valuation, " Arenillas notes.

And things unknown proposed as things forgot.

With this previously unknown galactic government?

46. Nowadays the once unknown snowy hill is well-known for snowstorm.

There are still many unknowns and the more scientists uncover, the more questions arise.