It was his concealment of the truth.

That generous woman had been guilty of one, and but one, concealment of the truth.

But in the last three days I'd grown proficient at sneak-thievery, concealment of the truth, bald-faced lying and emotional whoring.

The European Commission and the European Parliament must strictly and effectively react to any distortion of the facts and concealment of the truth.

Then, "I should remind you that it is possible to ask these questions again, but utilizing physiological monitoring instruments that will make concealment of the truth impossible.... Very well, we've established that you are not Paula Shelmer of Pacific News Services, and that you are employed by the American government.