1. No longer in use
   - obsolete

See also: noncurrent

• dark
• dark adaptation
• Dark Ages
• dark bread
• dark chocolate
• dark comedy
• dark energy
• dark field illumination
• dark glasses
• dark ground illumination
• dark horse
• dark lantern
• dark matter
• dark meat
• dark red
• dark-blue
• dark-brown
• dark-coated
• dark-colored
• dark-coloured
• dark-eyed junco
• dark-field microscope
• dark-fruited
• dark-gray
• dark-green