unsparing

unsparing
    adj 1: 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" [syn:
           {lavish}, {munificent}, {overgenerous}, {too-generous},
           {unsparing}, {unstinted}, {unstinting}]
    2: not forbearing; ruthless; "an unsparing critic"
    

Unsparing \Un*spar"ing\, a. [Pref. un- not + sparing, p. pr. of
   spare.]
   [1913 Webster]
   1. Not sparing; not parsimonious; liberal; profuse. --Burke.
      [1913 Webster]

   2. Not merciful or forgiving. [R.] --Milton.
      [1913 Webster] -- {Un*spar"ing*ly}, adv. --
      {Un*spar"ing*ness}, n.
      [1913 Webster]
    

71 Moby Thesaurus words for "unsparing":
      Spartan, Spartanic, ardent, assiduous, astringent, austere,
      authoritarian, bighearted, bounteous, bountiful, demanding,
      diligent, dour, energetic, exacting, exigent, fervent, free,
      freehanded, freehearted, generous, giving, gracious, greathearted,
      grim, handsome, hard, hardworking, harsh, hospitable, inclement,
      indefatigable, industrious, laborious, large, largehearted, lavish,
      liberal, magnanimous, meticulous, munificent, never idle, open,
      openhanded, openhearted, princely, profuse, relentless, rough,
      rugged, sedulous, severe, sleepless, stern, stintless, strenuous,
      strict, stringent, tireless, tough, unflagging, ungentle,
      ungrudging, unremitting, unselfish, unsleeping, unstinted,
      unstinting, unwearied, vehement, zealous