1. Without sleep; in a sleepless manner
   "he was lying in bed sleeplessly"

See also: sleepless

• cleavage cavity
• cleave
• cleaver
• cleavers
• clef
• cleft
• cleft foot
• cleft lip
• cleft palate
• cleg
• clegg
• Cleistes
• Cleistes divaricata
• Cleistes rosea
• cleistocarp
• cleistogamic
• cleistogamous
• cleistogamy
• cleistothecium
• clematis
• Clematis baldwinii
• Clematis crispa
• Clematis lasiantha
• Clematis ochreleuca
• Clematis tangutica