1. (a.) Not sparing; not parsimonious; liberal; profuse.

2. (a.) Not merciful or forgiving.

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