opacity

Synonyms for opacity: cloudiness, murkiness, obscurity, imperviousness, denseness, fogginess.

Definitions

The quality or state of being opaque and not allowing light to pass through.

The quality of being difficult to understand or explain; obscurity.

The glass was treated with a special coating to increase its opacity and provide more privacy.

The legal document was criticized for the deliberate opacity of its language, which made it difficult for the average person to understand.

Scientists measured the opacity of the nebula to determine how much starlight was being blocked by the interstellar dust.