Transparent

The waters of the lake were transparent until the factory dumped waste there.

"You make the glass invisible by putting it into a liquid of nearly the same refractive index; a transparent thing becomes invisible if it is put in any medium of almost the same refractive index."

His reasons for the decision were transparent.

I love playing poker with Steve, because he's so transparent.

Ukraine's campaign in Kursk Oblast demonstrates that surprise is still possible on the partially transparent battlefield of Ukraine — where an adversary can observe force concentrations but not reliably discern an enemy's operational intent and capabilities.

In order to make that transparent to the user, browsers usually cache the usernames and passwords and retransmit them automatically each time they contact the server.

The Dress Cap and Under-Sleeves are en suite. In both the puffings are separated by equal intervals, in which the transparents are uncovered.

They can be obtained in various thicknesses and in many colors, including beautiful imitations of pearl, mother-of-pearl, veins and mottles, stratifications, roll stratifications, imitation corals, and all colors of translucents, transparents and opaques, grained ivory, shell (plain and corrugated mottle), onyx, wood effects, plaids, checks, stripes, metallic, bronze pearl plain, bronze pearl with fancy blocks, bronze pearl in veins and stripes, and what is called “essence pearl.”