Unsparing
Pronunciation : Un*spar"ing
Part of Speech : a.
Etymology : [Pref. un- not + sparing, p. pr. of spare.]
Definition : 1. Not sparing; not parsimonious; liberal; profuse. Burke.
2. Not merciful or forgiving. [R.] Milton. -- Un*spar"ing*ly, adv. -- Un*spar"ing*ness, n.
Source : Webster's Unabridged Dictionary, 1913