From Longman Dictionary of Contemporary Englishcolludecol‧lude /kəˈluːd/ verb [intransitive] SECRETto work with someone secretly, especially in order to do something dishonest or illegalcollude with Several customs officials have been accused of colluding with drug traffickers.collude in She knew about the plan, and colluded in it.→ See Verb table
Examples from the Corpus
collude• She had not colluded, but might have seemed to.• Was she colluding in his tax evading?• So his parents had colluded in persuading Edwin that there was a worthwhile job he could still do.• To the degree that we accept such rituals without denunciation, we are colluding in the further subjugation of illiterate adults.• How far can women be said to be colluding in their own lower employment status?• But now signs are emerging that the groups have begun to collude with each other to pillage the park's mineral wealth.• She may regret this change, but colludes with it by making and selling ethnic jewellery of her own.• The spiritual riches of a full life are kept from the sufferer while the therapist colludes with the addictive disease itself.• There have been accusations that the prime minister secretly colluded with the leaders of the regime.• And the official line, as well as school lessons and folk knowledge, all colluded with the withholding of information.Origin collude (1500-1600) Latin colludere, from com- ( → COM-) + ludere “to play” 