oštar acidulous, acrid, acrimonious, acute, angular, austere, biting, brisk, brusque, caustic, cutting, eagerly, edgy, gruelling, hard-edged, harsh, harshly, keen, mordant, nutty, peaky, penetrative, peppery, piercing, poignant, pointed, racy, rattling, rough, rude, rugged, salty, scathing, screaming, severe, sharp, sharp cut, shrewd, shrill, slashing, smart, stinging, strident, stringent, stringet, strong, trenchant, twang