sutto
Moving with quiet, effortless smoothness — someone silently standing up, a door sliding open, or a hand gently reaching out.
💡Offering a seat — 'She sutto stood up and offered her seat.'
彼女がすっと立ち上がって席を譲った。
She sutto stood up and offered her seat.
He ___ slipped out of the room without anyone noticing.
彼は誰にも気づかれずに○○部屋を出た。