1.
sharp, pointed
Having a fine edge or point.
鋭いナイフ。
A sharp knife.
猫の爪は鋭い。
A cat's claws are sharp.
鋭い痛みが走った。
A sharp pain shot through.
2.
keen, acute
Having or showing quick perception.
鋭い目つき。
A sharp look.
鋭い指摘だ。
That's an astute observation.
彼女は勘が鋭いので、すぐに気づいた。
She has sharp intuition, so she noticed right away.
鋭い is an i-adjective meaning sharp (physically) or keen/acute (mentally).
FORMS:
- Adverbial: 鋭く (鋭く見る: to look sharply)
- Noun form: 鋭さ (sharpness)
PHYSICAL SHARPNESS:
- 鋭いナイフ: a sharp knife
- 鋭い爪: sharp claws
- 鋭い角: sharp corner
MENTAL/PERCEPTUAL SHARPNESS:
- 鋭い質問: a probing question
- 勘が鋭い: sharp intuition
- 感覚が鋭い: keen senses
- 鋭い目つき: a piercing gaze
CONTRAST:
Opposite: 鈍い (dull, slow, blunt)