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

See also: unprofitable

Antonym: profitably

• Leucothoe fontanesiana
• Leucothoe racemosa
• leucotomy
• Leuctra
• leukaemia
• leukemia
• Leukeran
• leuko-
• leukocyte
• leukocytosis
• leukoderma
• leukoencephalitis
• leukoma
• leukopenia
• leukorrhea
• leukotomy
• Leuwenhoek
• lev
• Lev Davidovich Bronstein
• Lev Davidovich Landau
• Lev Ivanov
• levallorphan
• levant
• Levant cotton
• Levant garlic