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

See also: generous, inclement, unsparingly

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• vast
• vastitude
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• Vatican
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• Vatican Council
• Vatican I
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• Vatican Palace
• Vaticanism