aberrational

/ˌæbəˈreɪʃənəl/
adjective
  1. Relating to or causing a change from what is normal or expected.
    • The company's aberrational profits last quarter were due to a one-time sale.
    • An aberrational spike in temperature caused the ice to melt early.
    • The scientist studied the aberrational patterns in the bird's migration.
Antonyms
What does "aberrational" mean? | whatsthatwordmean | whatsthatwordmean