Meaning : Outside the bounds of legitimate or ethical business practices.
Example :
Wildcat currency issued by irresponsible banks.
Wildcat stock speculation.
A wildcat airline.
Wildcat life insurance schemes.
Meaning : Without official authorization.
Example :
An unauthorized strike.
Wildcat work stoppage.
Synonyms : unauthorised, unauthorized
Meaning : (of a mine or oil well) drilled speculatively in an area not known to be productive.
Example :
Drilling there would be strictly a wildcat operation.
A wildcat mine.
Wildcat drilling.
Wildcat wells.