steep decline
- plummetRapid downward descent
- freefallUnimpeded downward motion
- nosediveSudden steep descent
- crashSudden violent impact
- tumbleUncontrolled rolling descent
drop · plunge · collapse · downturn · slump · descent · precipice · cliff · spiral · tailspin · slide · tank · crater · bottom · slope · ravine · falling · sharp
- declinedecline, in decline, decrease, downswing, on the decline
direction of change
steep declinesharp increase
rapid growth · steep climb · exponential growth · skyrocketing · upswing
stability
steep declinestability
Resistance to displacement
plateau · steady state · equilibrium · steadiness · stagnation