If you ever say less than this, you will be guilty of deliberate falsehood to me.

But she had a distaste for deliberate falsehood.

'That is a flimsy basis for deliberate falsehood, my Lady,' he objected.

But it is impossible to tell a deliberate falsehood.

They do not even stop to think that the truth has been hidden by deliberate falsehood.

We know that the message you sent with the data capsule is a deliberate falsehood.

For political speech, by contrast, there can be no liability without proof of deliberate or reckless falsehood.

I have not, at least, told deliberate falsehoods: you'll not accuse me of that.

Whether it is deliberate falsehood or ignorance, I will not speculate.

Perjury, a complicated legal concept, requires among other things proof of deliberate falsehood.