doctrinaire
1 synonym for doctrinaire, grouped by meaning and by how common each one is.
Noun — Someone who clings rigidly to a belief or set of ideas, ignoring whether it is practical.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Borrowed from French doctrinaire, from doctrine and -aire.
Full origin of doctrinaire →