indoctrination UK /ɪnˌdɒktrɪˈneɪʃn/US /ɪnˌdɑktrəˈneɪʃən/ noun2 •The act of indoctrinating, or the condition of being indoctrinated.The regime relied on political indoctrination in schools.Critics accused the organization of religious indoctrination. •Instruction in the rudiments and principles of any science or belief system; information. formsindoctrinations