aberrative
adj. C1 Advanced aber·ra·tive
adj. describing something that is very different from what is normal or expected. It is often used to describe behavior or results that are unusual or strange.
adj. deviating from a normal or expected pattern; abnormal or unusual. Often used in technical or scientific contexts to describe data or behavior that falls outside the standard range.
The scientist noted several aberrative results in the final data set.
The company's sudden decision to change its entire marketing strategy was seen as aberrative by its long-time investors.
While most patients responded well to the treatment, a small number of aberrative cases required a more aggressive approach to manage the side effects effectively.