wildcat
noun
[ ˈwʌɪl(d)kat ]
• a small native Eurasian and African cat that is typically grey with black markings and a bushy tail, noted for its ferocity.
• an exploratory oil well.
wildcat
adjective
• (of a strike) sudden and unofficial.
• "legislation to curb wildcat strikes"
• commercially unsound or risky.
wildcat
verb
• prospect for oil.