shifting ground
- unstableProne to sudden change
- quicksandYielding, engulfing sediment
- earthquakeSeismic ground movement
- tremorInvoluntary rhythmic shaking
- landslideMass of earth falling
erosion · sinking · unsteady · precarious · foundations · crumbling · sliding · tectonic · sand · dunes · changing · uncertain · flux · moving · volatile · treacherous · shaky · footing
stability
shifting groundsolid ground
Stable surface beneath
bedrock · stable footing · terra firma · firm footing · firm ground
argumentative position
shifting groundfirm stance
Unwavering commitment to opinion
fixed position · principled stand · steady course · logical consistency