ichidan verb, transitive verb, intransitive verb
slip off; slide down and fall
Describes something losing its grip and sliding downward, often resulting in a fall. Can be used for both literal physical slipping and figurative declines.
雨で手が滑って、スマホが手から滑り落ちた。
My hands were slippery from the rain, and my smartphone slipped out of my hand and fell.
崖から石
I heard the sound of rocks sliding down the cliff.