rubrical

From rubric +‎ -al.

rubrical (comparative more rubrical, superlative most rubrical)

1. Of, pertaining to, or in the nature of a rubric.
   • 1857, Charles Kingsley, “The Way to Win Them”, in Two Years Ago, volume I, Cambridge, Cambridgeshire: Macmillan and Co., →OCLC, page 140:

     You treat his opinions (though he never thrusts them on you) about "the Church," and his duty, and the souls of his parishioners, with civil indifference, as much ado about nothing; and his rubrical eccentricities as puerilities.

• bicrural