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opaque - not transmitting or reflecting light or radiant energy; impenetrable to sight; "opaque windows of the jail"; "opaque to X-rays" |
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clear readily apparent to the mind; "a clear and present danger"; "a clear explanation"; "a clear case of murder"; "a clear indication that she was angry"; "gave us a clear idea of human nature"
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unclear not clear to the mind; "the law itself was unclear on that point"; "the reason for their actions is unclear to this day"
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opacity,
opaqueness the quality of being opaque to a degree; the degree to which something reduces the passage of light
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cloudy,
mirky,
muddy,
murky,
turbid (of liquids) clouded as with sediment; "a cloudy liquid"; "muddy coffee"; "murky waters"
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fogged,
foggy obscured by fog; "he could barely see through the fogged window"
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frosted (of glass) having a roughened coating resembling frost; "frosted glass"
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glaucous having a frosted look from a powdery coating, as on plants; "glaucous stems"; "glaucous plums"; "glaucous grapes"
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light-tight,
lightproof not penetrable by light; "lightproof containers"
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milklike,
milky,
whitish resembling milk in color not clear; "milky glass"
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semiopaque partially opaque
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solid uninterrupted in space; having no gaps or breaks; "a solid line across the page"; "solid sheets of water"
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| 2. |
opaque - not clearly understood or expressed |
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unintelligible |
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incomprehensible,
uncomprehensible difficult to understand; "the most incomprehensible thing about the universe is that it is comprehensible"- A. Einstein
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