My ordinary eyes tend to stop short at those opaque envelopes we call human bodies.
The squat windows of his basement apartment were always grimy, opaque with steel-factory soot and ash, but in the spring there were lilacs blooming, sprays of white and lavender pressing against the glass, their scent drifting in like light.
Garcia usually starts her day wearing several layers of clothing: A typical outfit might be a beaded top, a leather jacket, a skirt and opaque tights.
Henry Luce The future is an opaque mirror.