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

See also: sleepless

• Maryland chicken
• Maryland golden aster
• Maryland yellowthroat
• Marylander
• marzipan
• Masa
• Masai
• masala
• mascara
• mascarene grass
• mascarpone
• mascot
• masculine
• masculinisation
• masculinise
• masculinity
• masculinization
• masculinize
• masdevallia
• Masefield
• maser
• Maseru
• mash
• mashed potato
• masher