vulpinePronunciation: /ˈvʌlpʌɪn/Definition of vulpine adjective relating to a fox or foxes: the thriving vulpine population crafty; cunning:Karl gave a vulpine smileOrigin: early 17th century: from Latin vulpinus, from vulpes 'fox'vulpine in other Oxford dictionaries Definition of vulpine in the US English dictionary
