(1):

(a.) Evincing superstition; overscrupulous and rigid in religious observances; addicted to superstition; full of idle fancies and scruples in regard to religion.

(2):

(a.) Overexact; scrupulous beyond need.

(3):

(a.) Of or pertaining to superstition; proceeding from, or manifesting, superstition; as, superstitious rites; superstitious observances.