(p. pr. & vb. n.) of Scath.

acerb acerbate acerbic acid acidic acidulent acidulous acrid acrimonious astringent biting bitter brutal burning caustic corroding corrosive cutting damaging double-edged edged escharotic ferocious fierce harmful harsh incisive keen mordacious mordant nasty penetrating piercing poignant rigorous rough salty savage scorching searing severe sharp stabbing stern stinging strident stringent tart trenchant vehement violent virulent vitriolic withering