i-adjective
Describes something physically narrow in diameter or width, such as a thread, stick, arm, or line.
彼女の腕はとても細い。
Her arms are very slender.
細い糸でボタンを縫い付
I sewed the button on with thin thread.
i-adjective
Billiards slang for a narrow or unlucky miss. Not used in general conversation.
あのショットは細かった。
That shot was unlucky (barely missed).