anomalous
Definitions
Deviating from what is standard, normal, or expected.
Inconsistent with or deviating from a common rule, type, or form.
Examples
The scientist was puzzled by the anomalous readings coming from the sensor.
His behavior was considered anomalous given his typically calm and professional demeanor.
The software detected an anomalous pattern in the data that suggested a potential security breach.
Synonyms
aberrant atypical irregular abnormal deviant unusual peculiar