secret

And like so many Californians before him, he’s fueled by the promise of wealth, the secret riches buried in the earth, the “Eureka” moment always just out of reach.

He added that although he does know Mr Musk and "politically he is a supporter of mine, there’s no secret to that, I’ve never solicited a donation from him and one has never been offered".

You can call in secret: they will protect your privacy.

Vietnam treats the death penalty as a state secret.

No wonder Trump decided she was the perfect choice to guard the nation’s secrets as director of national intelligence.