translucent

läpikuultava, kirkas Allowing light to pass through, but diffuse diffusing it.
1913, w:Louis Joseph Vance|Louis Joseph Vance, The Day of Days, ch. 1:

The window-panes, encrusted with perennial deposits of Atmosphere, were less transparent than translucent.

On the windows of the nearer buildings the sun cast glittering beams, but further away a faint, translucent mist hid the city.

Mr. Blaine's powers and disposition shone resplendent. . . . the gavel in his practised hand, chiming in with varied tones that aptly enforced his words, from the sharp rat-tat-tat that recalled the House to decorum, to the vigorous thunder that actually drowned unparliamentary speech; rulings, repartee, translucent explanation flashing from his lips as quick as lighting.

"I was startled at your not seeing it from the beginning. The man is a translucent liar and knave."

The sun was in its greatest splendor, and the air was absolutely translucent. The lake and the mountains sprang out, sharp and clear.