rectitudinarianEtymologyFrom Latin rēctitūdin- + -arian, from oblique stem of Latin rēctitūdō, from rēctus + -tūdō. By surface analysis, rectitude + -arian.nounA person who has a high standard of rectitude“William Logan, a critical rectitudinarian, called Seidel a “name dropper” whose books trade in “jet-set tastes and upmarket sinning.””