invisible

That’s a lightweight particle that has the potential to explain dark matter, an invisible type of matter thought to permeate the universe.

Return fraud has been called the invisible heist—or “de-shopping.”

No matter what Hitchcock said, what he did was to photograph our fears and make palpable the invisible.

Other panelists rallied to the cause of “the invisible woman”—the second and generally anonymous egg donor.

They must, in every sense, be cast out—their shame is to be made invisible.

He was a magician, an invisible teller of tales with the power to make my sides ache without telling a single joke.

Their Chateau en Espagne seemed invisible, as such chateaux usually are; and where it might be found, who was there to tell?

Aristide picked it up and began to dance and shake his fist at the invisible police.

This fear of the invisible world, so inherent in simple natures, has been implanted for a wise purpose.

Some of the latter were so diaphanous as to be perfectly invisible when immersed in the water.

It is characteristic of chemical science that it takes account of actions which are almost entirely invisible.