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doctrinaire

1 ENTRIES FOUND:
doctrinaire /ˌdɑːktrəˈneɚ/ adjective
doctrinaire
/ˌdɑːktrəˈneɚ/
adjective
Britannica Dictionary definition of DOCTRINAIRE
[more doctrinaire; most doctrinaire] formal + disapproving
used to describe a person who has very strong beliefs about what should be done and will not change them or accept other people's opinions