Choose the word that means the same as the given word.

Opaque

Arcane

The correct answer is Option 4. Arcane.

The word that means the same as the given word "Opaque" is "Arcane".

"Opaque" can refer to something that is not able to be seen through; not transparent.

In a more metaphorical sense, it can also refer to something that is hard to understand or is not clear.

"Arcane" refers to something that is understood by few; mysterious or secret. It is often used to describe knowledge that's restricted to the person who possesses it.

Therefore, the correct answer is 'Arcane'.

Now, let's look at the meanings of the other words:

Unadulterated: This means not mixed or diluted with any different or extra elements; complete and absolute.

Translucent: This refers to allowing light, but not detailed shapes, to pass

through; semitransparent.

Clear: This refers to something that is easy to perceive, understand, or interpret.