Like a classical sundial, the device is purely passive and contains no moving parts.

"He's thrown the government off its mark and shown that he's not in a purely passive posture."

The bank's role is purely passive, buying or selling the contracts.

It was a battle in which there could be no thought of defense, save the purely passive sort represented by deflector screens.

It is difficult to teach a person to use these methods; and, worst of all, they are purely passive!

Thus he did not see the Court as a purely passive body, but as one which should lead public opinion, albeit carefully.

He displayed a purely passive interest in the discussion.

It is very difficult to make them believe that it's a purely passive part.

Most of it is purely passive; it takes up space and has bulk but contributes nothing to the field.

They decided that a violation would be a purely passive activity that nonetheless enhanced performance.