Simple Definition of doctrine

from our Learner's Dictionary

doctrine

noun

plural doctrines
1
: a set of ideas or beliefs that are taught or believed to be true
The government was founded on a doctrine of equality for all people.
Many psychologists now question the doctrines of Sigmund Freud.
teaching religious doctrine to young people
2
US : a statement of government policy especially in international relations
the Truman/Monroe doctrine

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“Doctrine.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/doctrine. Accessed 13 Apr. 2026.

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