na-adjective, noun
Describes something extremely small, trivial, or paltry in amount, degree, or importance. Rare and somewhat literary; in everyday speech, words like わずか or 些細 are more common.
彼の給料は細微なものだった。
His salary was a meager one.
細微な違いにこだわる必要はない。
There's no need to obsess over minute differences.