Turbulence
Part of speech: noun
Definition: The state or fact of being turbulent or agitated; tempestuousness, disturbance. Disturbance in a gas or fluid, characterized by evidence of internal motion or unrest. Specifically, a state of agitation or disturbance in the air which is disruptive to an aircraft. An instance or type of such state or disturbance.
Example sentence: Business is all about risk taking and managing uncertainties and turbulence.
Upheaval
Part of speech: noun
Definition: the process of being heaved upward, especially the raising of part of the earth's crusta sudden violent upset, disruption or convulsion
Example sentence: To be clear, climate change is a true 800 pound gorilla in the room. The effects of global warming threaten global environmental upheaval over the coming century. But for South Florida and the Everglades, it could be our death knell if urgent action is not taken.