1. In an unproductive manner
   - unproductively, unprofitably

See also: fruitless

Antonym: fruitfully

• Central Powers
• central processing unit
• central processor
• central reservation
• central scotoma
• Central Standard Time
• central sulcus
• Central Thai
• Central Time
• central vein of retina
• central vein of suprarenal gland
• central veins of liver
• central vision
• centralisation
• centralise
• centralised
• centralising
• centralism
• centralist
• centralistic
• centrality
• chinaberry tree
• Chinaman
• Chinatown
• chinaware