鋭い

sharp (knife, claws, etc.), pointed, sharp (pain, tone, etc.), acute, stabbing, cutting (remark, criticism, etc.), stinging, biting, fierce (attack), pointed (question, look, etc.), piercing (gaze), shrill (sound), keen (intuition, sense of smell, etc.), acute, sharp (eye, mind, etc.), astute, shrewd, discerning, penetrating (insight, question, etc.), perceptive