indoctrinate

UK: /ɪnˈdɒktrɪneɪt/ US: /ɪnˈdɑktrəˌneɪt/ ,(in dok′trə nāt′)

Inflections of 'indoctrinate' (v): (⇒ conjugate)

indoctrinates

v 3rd person singular

indoctrinating

v pres p

indoctrinated

v past

indoctrinated

v past p

WordReference Random House Learner's Dictionary of American English © 2025

in•doc•tri•nate /ɪnˈdɑktrəˌneɪt/   v. [~ + object] , -nat•ed, -nat•ing. 

1. to instruct (someone) in a doctrine in a way not allowing for dissent:
   indoctrinated to love their country and to hate the West.
2. to teach thoroughly:
   indoctrinated the recruits in the ways of army life.

in•doc•tri•na•tion /ɪnˌdɑktrəˈneɪʃən/  n. [uncountable] See -doc-.

WordReference Random House Unabridged Dictionary of American English © 2025

in•doc•tri•nate  (in dok′trə nāt′), v.t., -nat•ed, -nat•ing. 

1. to instruct in a doctrine, principle, ideology, etc., esp. to imbue with a specific partisan or biased belief or point of view.
2. to teach or inculcate.
3. to imbue with learning.

• 1620–30; in-² + Medieval Latin doctrīnātus past participle of doctrīnāre to teach; see doctrine, -ate¹

in•doc′tri•na′tion, n. 
in•doc′tri•na′tor, n. 
Synonyms

• 1. brainwash, propagandize.

Collins Concise English Dictionary © HarperCollins Publishers::

indoctrinate / ɪnˈdɒktrɪˌneɪt/ verb (transitive)

1. to teach (a person or group of people) systematically to accept doctrines, esp uncritically
2. to impart learning to; instruct

inˌdoctriˈnation noun

inˈdoctriˌnator noun