Having a pile composed of long threads, as velvet, Oriental carpets, and similar fabrics.
The Century Dictionary (Public Domain)
Use "deep-piled" in a sentence
"A fresh wind swept off the silver-white, deep-piled rain-clouds, bearing them, mass on mass, to the eastern horizon; on whose verge they dwindled, and behind whose rim they disappeared, leaving the vault behind all pure blue space, ready for the reign of the summer sun."
"Its leaves are a softer, brighter, deeper green, and in due season (August) it is covered — not ostentatiously like the real mango, with great spikes of bloom, looking each like a gigantic head of mignonette — but with small yellow-green flowers tucked away under the leaves, filling the air with a soft sweet perfume, and then falling on to the bare shaded ground beneath to make a deep-piled carpet."
"Ayla stood at the bottom on a floor that was covered with a soft, deep-piled fur of some kind waiting for her eyes to adjust, then looked around."