doctrinaire:
(also doctrinarian; plural: ‘doctrinaires‘; pronunciation: the letter ‘c’ is said with a ‘k’ sound as in “king” — for the right pronunciation of this word, please click here)

Mohammad Katami, alleged Islamic doctrinaire
a person who tries to put some system of ideas (doctrine) or theory into action without considering the practical difficulties;
an authoritarian;
a dogmatist,
According to Lord Melbourne “a doctrinaire is a fool but an honest man”!
A justice/judge is often termed as doctrinaire when he/she refuses to consider some ethical issues.
Most politicians and religious heads are accused of being doctrinaires.

Pierre Paul Royer-Collard, the leader of the French doctrinaires of the past
for a page on a website for students that explains the difficult words that are associated with this word, please click here
and
for a ‘facebook’ page posting that has this word and shows us how we come across this word in our daily readings, please click here.
