ROGET THESAURUS
offuscate
Darkness
VB
be dark, darken, obscure, shade, dim, tone down, lower, overcast, overshadow, eclipse, obfuscate,
offuscate, obumbrate, adumbrate, cast into the shade becloud, bedim, bedarken, cast a shade, throw a shade, spread a shade, cast a shadow, cast a gloom, throw a shadow, spread a shadow, cast gloom, throw gloom, spread gloom, extinguish, put out, blow out, snuff out, doubt, turn out the lights, douse the lights, dim the lights, turn off the lights, switch off the lights.
Opacity
VB
be opaque, obstruct the passage of light, obfuscate,
offuscate.
