arduous baleful bitter broad demanding explicit fierce good grave hard nasty painful palpable sharply sharpness sharp shattering steep strong stubborn tightly tough
acuity acute astute brilliant crisp delicate fine intense peppery perceptive piercing piping quick slashing unrelenting well-honed
acerbic acrimonious biting cutting mercilessly mordant piquant relentless tacky ungenerous vitriolic waspish
