An unstable environment refers to a situation or place that is not steady or secure. It may be characterized by frequent changes, uncertainties, or a lack of safety and predictability. Full definition
Having a strong pillar that can stabilize your body in unstable environments is essential for life. (brandonricheyfitness.com)
Not all his fault because this was a very unstable environment to come into, but not a great first season, but can possibly redeem himself in the future. (justarsenal.com)
Because you will end up doing it in a very unstable environment, you need to start slowly and work your way into it. (fitstep.com)