1. Very tired
   - knackered [Brit], drained [Brit], zonked out [Brit], shagged [Brit], zonked [Brit], stonkered [Brit, Austral, NZ], shattered [Brit]

See also: tired

• 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
• dark-grey
• dark-haired
• dark-skinned
• dark-spotted
• darken
• darkened