1. In an unproductive manner
   - unproductively, unprofitably

See also: fruitless

Antonym: fruitfully

• outfielder
• outfight
• outfit
• outfitted
• outfitter
• outfitting
• outflank
• outflow
• outflowing
• outfox
• outgas
• outgeneral
• outgo
• outgoer
• outgoing
• outgrow
• outgrowth
• outguess
• outgun
• outhaul
• outhouse
• outing
• outlander
• outlandish
• outlandishly