1. Secret and sly or sordid
   - backstairs, furtive

See also: covert

• Stonehenge
• stoneless
• stonelike
• stonemason
• stoner
• stoneroot
• stonewall
• Stonewall Jackson
• stonewaller
• stonewalling
• stoneware
• stonewash
• stonework
• stonewort
• stonily
• stoniness
• stoning
• stonker
• stonkered
• stonking
• stony
• stony coral
• Stony Tunguska
• stony-broke
• stonyhearted