double edged

43 Moby Thesaurus words for "double edged":
      acid, acidulous, acrid, acrimonious, acute, astringent, biting,
      bitter, caustic, cutting, edged, escharotic, featheredged, fierce,
      fine, harsh, incisive, keen, keen-edged, knifelike, mordacious,
      mordant, penetrating, piercing, poignant, razor-edged, rigorous,
      rough, scathing, set, severe, sharp, stabbing, stinging, strident,
      stringent, tart, trenchant, two-edged, vehement, violent, virulent,
      vitriolic