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 Dictionary entry overview: What does opaque mean? 

OPAQUE (adjective)
  The adjective OPAQUE has 2 senses:

1. not clear; not transmitting or reflecting light or radiant energy
2. not clearly understood or expressed

  Familiarity information: OPAQUE used as an adjective is rare.

 Dictionary entry details 

OPAQUE (adjective)

Sense 1opaque [BACK TO TOP]


Not clear; not transmitting or reflecting light or radiant energy

Context examples:

opaque windows of the jail / opaque to X-rays


glaucous (having a frosted look from a powdery coating, as on plants)

cloudy; mirky; muddy; murky; turbid ((of especially liquids) clouded as with sediment)

fogged; foggy (obscured by fog)

frosted ((of glass) having a roughened coating resembling frost)

solid (incapable of being seen through)

light-tight; lightproof (not penetrable by light)

milklike; milky; whitish (resembling milk in color or cloudiness; not clear)

semiopaque (partially opaque)


unclear (not clear to the mind)


opacity; opaqueness (the quality of being opaque to a degree; the degree to which something reduces the passage of light)


clear (free from cloudiness; allowing light to pass through)

Sense 2opaque [BACK TO TOP]


Not clearly understood or expressed


opaque; unintelligible


incomprehensible; uncomprehensible (difficult to understand)

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 OPAQUE: related words searches 

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