abnormal
definition
deviating from what is normal or usual
example
The doctor was concerned about the patient's abnormal blood test results, which indicated a potential health issue.
synonyms
unusualatypicalirregular
word origin — The word 'abnormal' originates from the Latin 'abnormalis', which is a combination of 'ab-' meaning 'away from' and 'normalis' meaning 'normal'.