1. Very generous
   "unsparing generosity"
   - lavish, munificent, overgenerous, too-generous, unstinted, unstinting 
2. Not forbearing; ruthless
   "an unsparing critic"

See also: generous, inclement, unsparingly

• seigneurial
• seigneury
• seignior
• seigniorage
• seigniorial
• seigniory
• Seiji Ozawa
• seine
• Seine River
• seiner
• seism
• seismal
• seismic
• seismic disturbance
• seismo-
• seismogram
• seismograph
• seismographic
• seismography
• seismologic
• seismological
• seismologist
• seismology
• seismometer
• seismosaur