Unpredictability is a state of being that is quite common in many aspects of our lives. When conditions are unpredictable, it means that they can't be forecasted or anticipated with certainty. Synonyms for unpredictably include capriciously, erratically, randomly, and haphazardly. Capriciously describes behaviors that change suddenly without an apparent reason. Erratically is used to describe behavior that is inconsistent or irregular. Randomly refers to a lack of order or predictability in events. Haphazardly describes a circumstance that is disorganized or without careful planning. Having synonyms for the word unpredictably helps us to accurately describe a range of situations where things are uncertain or variable.