intransitive. To act in secret concert with, chiefly in order to trick or baffle some third person or party; to play into one another's hands; to…

To deal or communicate with, without implication of trade. Cf. traffic, n. 3b. intransitive. Originally and in early use chiefly Scottish. To engage…

To come to an agreement; to agree or determine with, or together. absol. To enter into an agreement; to conspire. Obsolete.

intransitive. To combine in a plot; to plot together.

In bad sense: To conspire. Cf. 1b.

intransitive. To have a private understanding with; to intrigue, collude, conspire. Now dialect (apparently so, even in Johnson's time, as he does…

intransitive. To have clandestine communications or underhand dealings with; to intrigue with; to act in an underhand way, prevaricate.

intransitive. To treat secretly or in an underhand way, intrigue (with); = trinket, v.1

intransitive. To intrigue privately (against).