unpredictable adjective - Definition, pictures, pronunciation . . . Definition of unpredictable adjective from the Oxford Advanced Learner's Dictionary that cannot be predicted because it changes a lot or depends on too many different things The unpredictable weather in the mountains can make climbing extremely hazardous The result is entirely unpredictable
UNPREDICTABLE definition and meaning | Collins English Dictionary 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 Britain's notoriously unpredictable weather