1. like a fox; relating to foxes
1. His face had rather sharp, vulpine features, but it was not unattractive.
2. crafty; cunning
2. Keep an eye on him: he's a vulpine sort of character, the kind of person who never really lets you know what he's thinking.
vulpes vulpis (fox) (Latin)
PINE is sharp, thus it makes the syn:clever, crafty, cunning, foxy, ingenious, shrewdness, skillful, sly, tricky, wily. VULP sounds like WOLF