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

See also: busy

• gray mullet
• gray partridge
• gray polypody
• gray poplar
• gray sage
• gray sea eagle
• gray skate
• gray snapper
• gray sole
• gray substance
• gray whale
• gray willow
• gray wolf
• gray-black
• gray-blue
• gray-brown
• gray-green
• gray-haired
• gray-headed
• gray-leaf pine
• gray-pink
• gray-white
• grayback
• graybeard
• grayed