Instability refers to the state of being prone to frequent change or fluctuation. Synonyms for unstable include volatile, erratic, unpredictable, capricious, fickle, and fluctuating. Other synonyms for instable include unsteady, wobbly, rickety, shaky, and precarious. These adjectives are often used to describe situations or structures that are prone to collapse or failure. In some cases, instability can be a desirable quality, such as in creative or innovative endeavors. However, in most situations, instability is seen as a negative trait that creates uncertainty and unpredictability. Regardless of the context, finding synonyms for instability can help to amplify a message and give a more precise meaning to a description.