/kəˈluːd/
col·lude
BrE /kəˈluːd/
NAmE /kəˈluːd/
[I] (formal, disapproving)
to work together secretly or illegally in order to trick other people
~ (with sb) (in sth/in doing sth)
Several people had colluded in the murder.
~ (with sb) (to do sth)
They colluded with terrorists to overthrow the government.