na-adjective
Literary or poetic word describing something faint, dim, or barely perceptible, often with a subtle or profound quality. Rare in everyday speech.
幽微な光が洞窟の奥から漏れていた。
A dim light leaked from the depths of the cave.
彼の作品には幽微な美しさがある。
His works have a subtle, indistinct beauty.