abnormal - not normal; not typical or usual or regular or conforming to a norm; "abnormal powers of concentration"; "abnormal amounts of rain"; "abnormal circumstances"; "an abnormal interest in food"

artful, disingenuous - not straightforward or candid; giving a false appearance of frankness; "an ambitious, disingenuous, philistine, and hypocritical operator, who...exemplified...the most disagreeable traits of his time"- David Cannadine; "a disingenuous excuse"

corrupt - lacking in integrity; "humanity they knew to be corrupt...from the day of Adam's creation"; "a corrupt and incompetent city government"