1. Without gain or profit
   - profitlessly, gainlessly 
2. In an unproductive manner
   - unproductively, fruitlessly

See also: unprofitable

Antonym: profitably

• rhythm section
• rhythmic
• rhythmic pattern
• rhythmical
• rhythmically
• rhythmicity
• rhytidectomy
• rhytidoplasty
• RI
• ria
• rial
• rialto
• riant
• riata
• rib
• rib cage
• rib joint pliers
• rib roast
• rib-tickling
• ribald
• ribaldry
• riband
• ribavirin
• ribband
• ribbed