1. On the job
   "had been at work for over an hour before her boss arrived"

See also: busy

• Macaca radiata
• Macaca sylvana
• macaco
• macadam
• macadamia
• Macadamia integrifolia
• macadamia nut
• macadamia nut tree
• Macadamia ternifolia
• Macadamia tetraphylla
• macadamia tree
• macadamise
• macadamize
• macamba
• Macao
• Macao monetary unit
• macaque
• macaroni
• macaroni and cheese
• macaroni salad
• macaroni wheat
• macaronic
• macaroon
• MacArthur
• Macau