indoctrinate verb3 •To teach (a person) with a biased, one-sided or uncritical ideology; to brainwash. •To teach and instill (something, to a person) in a biased, one-sided way.[...] it was beyond their hope to indoctrinate Marxism-Leninism-Mao's "thought" into the mind of young generation. The young generation does not care about Communism. — 1987 •(no longer used) To teach; to instruct. formsindoctrinated · indoctrinating · indoctrinates