Adjective unsparing has 2 senses
- lavish, munificent, overgenerous, prodigal, too-generous, unsparing, unstinted, unstinting - very generous; "distributed gifts with a lavish hand"; "the critics were lavish in their praise"; "a munificent gift"; "his father gave him a half-dollar and his mother a quarter and he thought them munificent"; "prodigal praise"; "unsparing generosity"; "his unstinted devotion"; "called for unstinting aid to Britain"
Antonyms: stingy, ungenerous (indirect, via generous)
- unsparing - not forbearing; ruthless; "an unsparing critic"
Antonym: clement (indirect, via inclement)
,