doc·tri·naire  (dŏk'trə-nâr')  n. A person inflexibly attached to a practice or theory without regard to its practicality. adj. Of, relating to, or characteristic of a person inflexibly attached to a practice or theory. See Synonyms at dictatorial. [French, from doctrine, doctrine, from Old French; see doctrine.] doc'tri·nair'ism n., doc'tri·nar'i·an n. |