conniving

(intransitive) To secretly cooperate with other people in order to commit a crime or other wrongdoing; to collude, to conspire.
(intransitive, rare) Of parts of a plant: to be converging or in close contact; to be connivent.
(intransitive, obsolete) Often followed by at: to pretend to be ignorant of something in order to escape blame; to ignore or overlook a fault deliberately.
(intransitive, obsolete) To open and close the eyes rapidly; to wink.