Answer: anomalous

AnswerCrossword Clue
ANOMALOUSIncongruous
ANOMALOUSUnexpected
ANOMALOUSIrregular
ANOMALOUSOut of keeping.
ANOMALOUSOut of the ordinary
anomalousirregular; deviating from rule
anomalousinconsistent with or deviating from what is usual, normal, or expected irregular unusual
anomalousuncertain nature or classification