noun, na-adjective
sensitivity; keen perception; delicacy of feeling
Describes a sharp, refined sensitivity, often in emotional, aesthetic, or interpersonal contexts. Can be used as a noun or adjectival noun (鋭感な).
彼は人の気持ちに対する鋭感がある。
He has a keen sensitivity to other people's feelings.
彼女の鋭感な批評はいつも的を射ている。
Her perceptive critiques are always on point.
Compound of 鋭 (ei, 'sharp') and 感 (kan, 'feeling, sensation'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of keen sensitivity.