: not predictable: such as. a : not able to be known or declared in advance unpredictable weather. b : tending to behave in ways that cannot be predicted an unpredictable boss.

Is there such a word as Unpredictableness?

The state or quality of being unpredictable.

What does an unpredictable person mean?

adjective. If you describe someone or something as unpredictable, you mean that you cannot tell what they are going to do or how they are going to behave. He is utterly unpredictable. Synonyms: extraordinary, erratic, changeable, variable More Synonyms of unpredictable.