1. vulpine - Noun
2. vulpine - Adjective
Of or pertaining to the fox; resembling the fox; foxy; cunning; crafty; artful.
Source: Webster's dictionaryThere must remain no neutral ground to serve as a refuge for lawbreakers, and especially for lawbreakers of great wealth, who can hire the vulpine legal cunning which will teach them how to avoid both jurisdictions. Theodore Roosevelt
vulpine cunning Source: Internet