ˈvəlˌpīn, -_pə̇n adjective
Etymology: Latin vulpinus, from vulpes fox + -inus pine; akin to Greek alōpēx fox, Armenian aluēs fox, Sanskrit lopāśa jackal, fox, Lithuanian vilpišỹs wildcat
1. : of, relating to, or resembling a fox
2. : marked by slyness or predatoriness : crafty
believed the mildest house agent grew vulpine at sight of them — Audrey Barker