(s)wildcatoutside the bounds of legitimate or ethical business practices“wildcat currency issued by irresponsible banks”, “wildcat stock speculation”, “a wildcat airline”, “wildcat life insurance schemes”
(s)wildcat(of a mine or oil well) drilled speculatively in an area not known to be productive“drilling there would be strictly a wildcat operation”, “a wildcat mine”, “wildcat drilling”, “wildcat wells”