Think of something dense like a wall that light can't go through, implying solidness or thickness. Even at midday, the room remained dark due to the opacity of the curtains.
Pro Tip 2/3
Lack of Clarity
Opacity can describe materials like frosted glass which diffuses light, making it unclear. The bathroom windows were treated for opacity to maintain privacy.
Pro Tip 3/3
Perception Variation
Different materials can have varying levels of opacity, impacting how we perceive them. The vase's unique opacity captured the light in a mesmerizing way.