subjacent /sub-jāˈsənt/

1. Underlying
2. (of a rock mass) having no perceptible base, bottomless (geology)

• downright
• downrightness
• downrightnesses
• downriver
• downrush
• downrushes
• downs
• downscale
• downscaled
• downscales
• downscaling
• down-setting
• down-settings
• downshift
• downshifted
• downshifter
• downshifters
• downshifting
• downshiftings
• downshifts
• downside
• downsides
• down-sitting
• down-sittings
• downsize