One who would apply to political or other practical concerns the abstract doctrines or the theories of his own philosophical system; a propounder of a new set of opinions; a dogmatic theorist. Used also adjectively; as, doctrinaire notions.
- A person inflexibly attached to a practice or theory without regard to its practicality.
- Of, relating to, or characteristic of a person inflexibly attached to a practice or theory. See Synonyms at dictatorial.