Something that is not predicted. Such as the amount of answers that you will get for this question
Because the whole dance was upredictable and the dynamics used kept the dance intersting and created more excitement for the audience, dynamics was a strong use in birdsong.
"Unpredictable" refers to something that cannot be foreseen or anticipated; it is characterized by a lack of consistency or reliability in behavior, outcomes, or events. This term often describes situations, people, or phenomena that exhibit surprising or erratic changes, making it difficult to determine what will happen next. Unpredictability can add excitement or uncertainty, depending on the context.