Thumb's eyes gladdened, but his face looked black and louring.
Dark and louring was the frown which the angry chief cast upon his prisoner.
A cool breath drifted straight out of the sultry, louring clouds; a few drops pattered upon the leaves.
It was now late in the evening; the sun had set, and dark, louring clouds were hanging over the horizon to the westward.
Some hailstones ...