"opaque" | Definition and Related Words

Adjective

Not transmitting or reflecting light or radiant energy;
Impenetrable to sight (synset 300434829)
"opaque windows of the jail"; "opaque to X-rays"

also: unclear - not clear to the mind

tells us about: opacity, opaqueness - the quality of being opaque to a degree; the degree to which something reduces the passage of light
similar to:
- cloudy, mirky, muddy, murky, turbid - (of liquids) clouded as with sediment
- fogged, foggy - obscured by fog
- frosted - (of glass) having a roughened coating resembling frost
- glaucous - having a frosted look from a powdery coating, as on plants
- light-tight, lightproof - not penetrable by light
- milklike, milky, whitish - resembling milk in color; not clear
- semiopaque - partially opaque
- solid - impenetrable for the eye
Hard or impossible to understand (synset 300537516)
similar to: incomprehensible, uncomprehensible - difficult to understand

same as: unintelligible