
1) Chalky 2) Clear as mud, so to speak 3) Cloudy 4) Completely obscure 5) Creamy 6) Dark 7) Dull or dark 8) Filmy & non-transparent 9) Filmy %26 non-transparent 10) Fogged 11) Foggy 12) Frosted 13) French word used in English 14) Glaucous 15) Hard to understand 16) Hardly transparent 17) Impenetrable
Found on
https://www.crosswordclues.com/clue/opaque

1) Clear as mud 2) Fogged 3) Frosted 4) Glaucous 5) Impassable 6) Milklike 7) Milky 8) Mirky 9) Misty 10) Muddy 11) Murky 12) Opacous 13) Semiopaque 14) Turbid 15) Uncomprehensible 16) Whitish
Found on
https://www.crosswordclues.com/clue/opaque

dull, neither shining nor transluscent
Found on
http://orchidfetish.com/glossary.html

• (a.) Obscure; not clear; unintelligible. • (a.) Impervious to the rays of light; not transparent; as, an opaque substance. • (n.) That which is opaque; opacity.
Found on
http://thinkexist.com/dictionary/meaning/opaque/

(o-pāk´) impervious to light rays or, by extension, to x-rays or other electromagnetic radiation; neither translucent nor transparent.
Found on
http://www.encyclo.co.uk/local/21001

A dense paint that obscures or totally hides the underpainting in any given artwork.
Found on
http://www.encyclo.co.uk/local/21274

Not able to transmit light, which in effect disables it from letting an object be seen through it.
Found on
http://www.encyclo.co.uk/local/22291

An adjective used in reference to a substance that does not allow light of visible wavelength to ent
Found on
http://www.encyclo.co.uk/local/22392

A paint that is not transparent by nature or intentionally. A dense paint that obscures or totally h
Found on
http://www.encyclo.co.uk/local/22428
O·paque' adjective [ French, from Latin
opacus . Confer
Opacous .]
1. Impervious to the rays of light; not transparent; as, an
opaque substance.
2. Obscure; not clear; unintelligible. [ Colloq.]
Found on
http://www.encyclo.co.uk/webster/O/22
O·paque' noun That which is opaque; opacity.
Young. Found on
http://www.encyclo.co.uk/webster/O/22

Dull; not translucent or shining.
Found on
http://www.gardenology.org/wiki/Glossary_of_Gardening_Terms

Heavy or non-transparent.
Found on
http://www.learn-to-draw-and-paint.com/art-glossary.html

dull, neither shining nor transluscent
Found on
http://www.orchidspecies.com/glossary.htm

A term describing a material or substance which will not transmit light.
Found on
http://www.qorpak.com/pages/ContainersandClosuresPlasticGlossary

A paint that is not transparent by nature or intentionally. A dense paint that obscures or totally hides the underpainting in any given artwork.
Found on
http://www.watercolorpainting.com/glossary.htm

Descriptive of a material or substance which will not transmit light. Opposite of transparent. Materials which are neither opaque nor transparent are sometimes described as semi-opaque, but are more properly classified as translucent.
Found on
https://www.emcoplastics.com/plastic-glossary-of-terms/
unintelligible adjective not clearly understood or expressed
Found on
https://www.encyclo.co.uk/local/20974

A quality of paper that allows relatively little light to pass through.
Found on
https://www.encyclo.co.uk/local/22539

Doe not allow light to come through; the opposite of translucent.
Found on
https://www.encyclo.co.uk/local/23092

Descriptive of a material or substance which will not transmit light. Opposite of transparent.
Found on
https://www.rayplastics.com/learn-about-thermoforming/terms-definitions/

A term referring to any form or process which cannot be spontaneously understood by lay speakers. One could say that the word gospel is opaque for English speakers as they do not normally know that it comes from good + spell.
Found on
https://www.uni-due.de/ELE/LinguisticGlossary.html

a term describing a material or substance which will not transmit light.
Found on
https://www.usplastic.com/knowledgebase/article.aspx?contentkey=784
[SAT terms] not transmitting or reflecting light or radiant energy
Found on
https://www.vocabulary.com/lists/151465

not transmitting or reflecting light or radiant energy
Found on
https://www.vocabulary.com/lists/249614
No exact match found.