For one, she admitted TV documentary crews into her palaces to film her, an unheard-of relaxation of the court protocols.

Taymor and his business partner, Ashleigh Parsons, signed the lease and opened Alma an unheard-of two weeks later.

The low viral load was a very unusual but not unheard-of finding, meaning we may never know the truth.

We know it has given unheard-of power to anyone with a browser.

How can one not pay tribute to the unheard-of tenacity he demonstrated during every stage of this war?

This unheard-of despotism, this horrible political perjury, was certainly not merited by the good and generous Brazil.

Miriam vows to devour an unheard-of number of biscuits, too.

Here have I been striving with unheard-of patience to teach you and you have not hitherto been able to say your letters even.

This last action of unheard-of boldness literally staggered the mutineers.

In the act of sinking, a most extraordinary and unheard-of thing happened.